STEP 1 Flashcards
Warfarin
- inhibits vit K dependent gamma-carboxylation of factors II, VII, IX, X, and protein C and S.
Amphotericin B
- binds ergosterol, alters permeability of fungal cell membrane
Atenolol
- selective beta1 antagonist
- causes decreased HR and contractility
Protease Inhibitors
- -navir
- inhibit HIV protease enzymes
Demeclocycline
- protein synthesis inhibitor
- binds 30S, blocks aminoacyl-tRNA from binding ribosome
Macrolides
- erythromycin
- clarithromycin
- azithromycin
- protein synthesis inhibitors
- bind 50S, inhibit formation of initiation complex
- inhibit translocation of aminoacyl peptide during protein synthesis
Olanzapine
- Atypical Antipsychotic
- blocks 5-HT2 and DA receptors
Liraglutide
- GLP-1 analog
- decreases glucose levels, increases insulin levels
Argatroban
- direct thrombin inhibitor
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Cilastatin
- inhibits renal dihydropeptidase I that inactivates imipenem in renal tubules to increase its action
Pioglitazone
- thiazolidinedione
- binds PPAR-gamma, causing upregulation of genes.
causes decrease in insulin resistance
Cefepime
- 4th gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Tetracaine
- ester local anesthetic
- blocks Na channels
Aminoglycosides
- gentamicin
- neomycin
- amikacin
- tobramycin
- streptomycin
- protein synthesis inhibitors
- binds 30S, inhibits formation of initiation complex causes mRNA misreading
Halothane
- general inhaled anesthetic
- directly activates GABAa receptors
Quinidine
- Class IA anti-arrhythmic agent
- binds activated Na channels, blocks flow of Na into cardiac myocyte.
- prolongs phase 0 depolarization
- delays phase 3 repolarization
- prolongs QT interval
Atracurium
- non-depolarizing NMJ blocker
- acts to competitively bind nicotinic receptors at NMJ.
Isosorbide Dinitrate
- converted to NO
- causes smooth muscle relaxation, reduced preload
- acts on smooth muscle veins
- relaxes coronary artery smooth muscle
Cefoxitin
- 2nd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Clindamycin
- protein synthesis inhibitor
- binds 50S, inhibits initiation complex formation, inhibits translocation.
Class III Antiarrhythmics
- sotalol
- ibutilide
- dofetilide
- amiodarone
- bretylium
- binds K channels, blocks K flow out of cardiac myocyte
- prolonged phase 3 repolarization and action potential
- prolonged QT interval
Flurazepam
- long-acting benzo
- enhanced GABAa receptor activation
- decreased activity of neurons of limbic, thalamic, hypothalamic regions of CNS
Cyclophosphamide
- metabolized to intermediate by CYP450.
- alkylating agent, cross-links DNA to decrease DNA and RNA synthesis
- suppresses B and T cell function
Clomiphene
- partial agonist at estrogen receptors in pituitary gland
- increases LH and FSH, causes ovulation
Alendronate
- bisphosphonate
- decreases osteoclastic bone reabsorption by inhibiting osteoclastic activity and increasing oscteoclastic cellular death
Prednisone
- synthetic corticosteroid
- mimics action of endogenous glucocorticoids
- causes vasoconstriction, hepatic gluconeogenesis, protein catabolism, decreased circulating leukocytes, inhibits prostaglandins and leukotriene formation by inhibiting phospholipase A2
- stimulates gastric acid and pepsin production
Morphine
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Valproic Acid
- increases GABA concentrations
- effects Na and K conductance across neuronal cell membrane
Ritonavir
- protease inhibitor
- inhibits HIV protease, can’t replicate
Dantrolene
- inhibits Ca release from sarcoplasmic reticulum of myocytes
- causes muscle relaxation
Miglitol
- alpha-glucosidase inhibitor
- inhibits alpha-glucosidase on brush border of SI.
- causes decreased absorption of postprandial carbohydrates, decreases postprandial glucose levels
Risperidone
- atypical antipsychotic
- blocks 5-HT2 and DA receptors
Carvedilol
- alpha1 beta1 beta2 blocker
- via beta1 decrease HR and contractility.
- via beta2 get bronchoconstriction
- via alpha1 get decreased BP
Chlorothiazide
- thiazide diuretic
- inhibits Na/Cl cotransporter in early dital convoluted tubule
- increases retention of NaCl and water into tubular lumen, causes loss of water and salt via urine
Amantadine
- binds M2 surface protein proton channel on influenza A.
- blocks uncoating of viral RNA
- stimulates release of DA from neurons in nigra striatum
Selegiline
- MAOI B inhibitors
Sirolimus
- immunosuppressant in kidney transplant patients
- inhibits mTOR by binding with FKBP
Semilente Insulin
- quick onset (6hr)
- intermediate acting (10-12hr)
Carbidopa
- inhibits DOPA-decarboxylase in periphery
Dabigatran
- direct thrombin inhibitor
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Fluphenazine
- high potency typical antipsychotic
- blocks postsynaptic D2 receptors
Brinzolamide
- carbonic anhydrase inhibitor
- works in proximal convoluted tubule
- causes less bicar reabsorbed, more Na lost, increasing loss of water and electrolytes
- causes decreased production aqueous humor
Ampicillin
- aminopenicillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis.
Candesartan
- ARB
- blocks angiotensin II at AT1 receptor
- decreases peripheral vascular resistance and decreases effective circulating volume of fluid
Cefazolin
- 1st gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Minocycline
- protein synthesis inhibitor
- binds 30S, blocks aminoacyl-tRNA from binding ribosome
Primaquine
- for hepatic form of malaria
Thiazide Diuretics
- hydrochlorothiazide
- chlorothiazide
- metolazone
- chlorthalidone
- indapamide
HMG-CoA Reductase Inhibitors
- -statin
- atorvastatin
- pravastatin
- lovastatin
- rosuvastatin
- simvastatin
- fluvastatin
Class IV Antiarrhythmics
- verapamil
- diltiazem
- blocks voltage-gated Ca channels in cardiac and smooth muscles
- blocks in SA and AV nodal cells
- slows phase 4 spontaneous depolarization, prolongs PR interval, delays repolarization of myocyte
Bile Acid Resins
- cholestyramine
- colestipol
- colesevelam
- inhibits reabsorption of bile acids in jejunum and ileum
Bupivacaine
- amide local anesthetic
- blocks Na channels
Cephalosporins
- 1st gen: Cefadroxil, cefazolin, cephalexin, cephalothin, cephapirin, cephradine.
- 2nd gen: cefaclor, cefamandole, cefonicid, cefuroxime, cefprozil, loracarbef, ceforanide, cefoxitin, cefmetazole, cefotetan
- 3rd gen: cefoperazone, cefotaxime, ceftazidime, ceftizoxime, ceftriaxone, cefixime, cefpodoxime proxetil, cefditoren pivoxil, ceftibuten, moxalactam
- 4th gen: cefepime
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Prostaglandins
- alprostadil
- misoprostol
- latanoprost
- dinoprostone
- carboprost
- treprostinil
- epoprostenol
- iloprost
Cimetidine
- H2 receptor blocker
- reversibly blocks binding of histamine to H2 receptor
- decreased activity of H/K proton pump
- decreases gastric acid secretion
Diltiazem
- Class IV Anti-Arrhythmic Agent
- blocks voltage-gated Ca channels in cardiac and smooth muscles
- blocks in SA and AV nodal cells
- slows phase 4 spontaneous depolarization, prolongs PR interval, delays repolarization of myocyte
- causes peripheral vasodilation and decreased contractility
Corticosteroids
- prednisone
- hydrocortisone
- cortisone
- prednisolone
- methylprednisolone
- betamethasone
- dexamethosone
Quetiapine
- atypical antipsychotic
- blocks 5-HT2 and DA receptors
ARBs
- -sartan
- blocks angiotensin II at AT1 receptor
- decreases peripheral vascular resistance and decreases effective circulating volume of fluid
PPI
- omeprazole
- lansoprazole
- rabeprazole
- pantoprazole
- esomeprazole
- irreversibly inhibits H/K ATPase pump
- suppresses gastric acid secretion
Azithromycin
- macrolide
- protein synthesis inhibitor
- binds 50S, inhibits initiation complex formation, inhibits translocation
Guaifenesin
- expectorant
- irritates vagal receptors in gastrum leads to secretion of less viscous mucous from bronchial epithelium
- stimulates resp tract secretion flow
Desipramine
- 1st gen TCA
- blocks reuptake of NE and 5-HT
Phentolamine
- reversible alpha receptor antagonist
- to diagnose pheochromocytoma
Loop Diuretics
- furosemide
- bumetanide
- torsemide
- ethacrynic acid
Cetirizine
- 2nd gen H1 receptor blocker
- blocks H1 receptor
- causes bronchodilation, decreased pruritus, decreased peripheral vascular resistance, decreased GI motility, decreased rash
Colestipol
- Bile acid resin
- inhibits reabsorption of bile acids in jejunum and ileum
Dobutamine
- beta1 agonist, weak agonist at alpha1 and beta2.
- ⇒ increased HR and contractility
TMP-SMX
- sulfonamide
- TMP: protein synthesis inhibitor.
- inhibits folic acid synthesis via dihydrofolate reductase
- SMX: analogue of PABA, competitively inhibits dihydropteroate synthase
- causes DNA synthesis disruption
Clozapine
- atypical antipsychotic
- blocks 5-HT2 and DA receptors
Rifampin
- inhibits bacterial DNA-dependent RNA polymerase, causes less RNA synthesis.
Ibuprofen
- NSAID
- reversibly inhibits COX1 and 2
- decreases prostaglandin synthesis
- analgesic, anti-pyretic, anti-inflammatory
Exenatide
- GLP-1 analog
- decreases glucose levels and increases insulin levels
Gatifloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Heparin
- binds anti-thrombin III to accelerate action of anti-thrombin III to degrade clotting factors
Amphetamine
- stimulates release of NE, Epi, DA from neurons
- causes insomnia, decreased appetite
Suramin
- inhibits parasitic enzymes in energy metabolism
- use: early T. brucei
Ifosfamide
- metabolized to intermediate by CYP450
- acts as alkylating agent and cross-links DNA, decreases DNA and RNA synthesis
- suppresses B and T cell function
Dopamine
- alpha1 agonist at high doses
- beta and D1 agonist at lower doses
- ⇒ increased HR and contractility, increased renal and splanchnic blood flow from D1
Acetylcysteine
- antidote for acetaminophen overdose
Torsemide
- loop diuretic, sulfonamide
- inhibits coupled Na/K/2Cl transport system in thick ascending loop of Henle
- causes retention of NaCl, K, water in tubular lumen, and loss of water and electrolytes
Lomustine
- nitrosourea
- alkylating agent
- cross-links DNA to decrease DNA and RNA synthesis
Nitroglycerin
- converted to NO
- causes smooth muscle relaxation, reduced preload
- acts on smooth muscle veins
- relaxes coronary artery smooth muscle
Clotrimazole
- inhibits ergosterol formation by inhibiting fungal CYP450s.
Atypical Antipsychotics
- clozapine
- risperidone
- olanzapine
- ziprasidone
- aripiprazole
- quetiapine
- blocks both 5-HT2 and DA receptors
Mebendazole
- inhibits microtubule synthesis and function
- use: whipworm (Trichuris), hookworm (Necator/Ancylostoma), roundworm (Ascaris), pinworm (Enterobius)
Theophylline
- inhibits phosphodiesterase
- causes increased cAMP, leading to bronchodilation
Benztropine
- M1 M2 M3 antagonist
- acts on M1 in corpus striatum to increase DA
- use: Parkinson
Methicillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis.
Streptokinase
- fibrinolytic
- promotes conversion of plasminogen to plasmin to degrade fibrin and degrades thrombus
Metformin
- biguanide
- inhibits hepatic gluconeogenesis causing decreased GI absorption
- increases peripheral utilization of glucose by adipose and skeletal muscle
Mexiletine
- Class IB Anti-Arrhythmic Agents
- binds both activated and inactivated Na channels, blocks Na into cardiac myocyte
- shortened phase 3 repolarization and action potential
Leflunomide
- inhibits dihydroorate dehydrogenase
Colchicine
- gout agent
- induces microtubular depolymerization by binding tubulin.
- causes decreased migration of leukocytes
- blocks formation of leukotriene B4.
Cytarabine
- converted to araCTP that competitively inhibits DNA polymerase
- impairs DNA synthesis, causes termination of DNA strand elongation
Isoniazid
- inhibits synthesis of mycolic acids
Misoprostol
- analog of PGE1
- increases uterine contractions, inhibits gastric acid secretion, increases mucosal protection in stomach
Desmopressin
- natural hormone
- V1: vasoconstricts
- V2: increases permeability to water in collecting duct
- V3: increases factor VIII activity
Pyrimethamine
- inhibits dihydrofolate reductase, interferes with DNA and RNA synthesis
- tx and prophylaxis of P. falciparum and Toxoplasma gondii
Raloxifene
- estrogen receptor modulator, acts as mixed estrogen agonist/antagonist
- tx: osteoporosis
Class II Antiarrhythmics
- beta blockers:
- propranolol
- carvedilol
- metoprolol
Carboprost
- analog of PGF2alpha
- increases uterine contractions
Tazobactam
- inactivates bacterial beta lactamases
- added to piperacillin
Ofloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Pyridostigmine
- reversible AChEI
- increases stimulation at Nn and M receptors
Sulfamethizole
- sulfonamide
- analogue of PABA, competitively inhibits dihydropteroate synthase, disrupts DNA synthesis
Carbachol
- muscarinic and nicotinic receptor agonist
- via M3 causes miosis
Infliximab
- chimeric Ab that binds TNF-alpha and inhibits binding of TNF-alpha with receptor
Teniposide
- inhibits topoisomerase II
- causes DNA strand breakage
Lansoprazole
- PPI
- irreversibly inhibits H/K ATPase pump
- suppresses gastric acid secretion
Doxorubicin
- antracycline
- blocks DNA and RNA synthesis via insertion
- produces oxygen free radicals
- disrupts fluid and ion transport across cell membrane
Isocarboxazid
- MAOI
- inhibits MAO, increases levels of 5-HT, NE, DA
Imatinib
- competitive inhibitor of tyrosine kinase enzymes of abl, c-kit, and PDGF-R
Itraconazole
- inhibits formation of ergosterol by inhibiting fungal CYP450s
Nifedipine
- CCB
- block voltage gated L-type Ca channels, inhibits Ca into cells.
- causes peripheral vasodilation and decreases myocardial contractility
Rosuvastatin
- HMG-CoA reductase inhibitor
- increases concentration of LDL receptors
Tacrolimus
- binds FKBP-12, inhibits calcineurin
- decreases IL-2 production
- decreases activation of T cells
Bivalirudin
- direct thrombin inhibitor
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Doxycycline
- protein synthesis inhibitor
- binds 30S, blocks aminoacyl-tRNA from binding to ribosome
Aripiprazole
- Atypical Antipsychotic
- blocks 5-HT2 and DA receptors
Doxazosin
- alpha1 antagonist
- decreases BP and prostatic/bladder neck contraction
Ocreotide
- synthetic analogue of somatostatin
- inhibits release of secretin, gastrin, TSH, VIP, growth hormone
- reduces GI motility, causes vasoconstriction
Terazosin
- selective alpha1 antagonist
- causes decreased BP, decreased prostatic and bladder neck contraction.
Varenicline
- partial agonist and antagonist of alpha4/beta2 nicotinic ACh receptors in brain
- use: smoking cessation
Diphenoxylate
- anti-diarrheal
- binds opioid receptors in intestine to inhibit ACh release and decrease peristalsis
H1-Receptor Blockers
- diphenhydramine
- promethazine
- meclizine
- hydroxyzine
- doxylamine
Lovastatin
- HMG-CoA reductase inhibitor
- increases concentration of LDL receptors
Terbutaline
- beta2 agonist
- causes bronchodilation and reduces contractions
Meropenem
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Abacavir
- NRT inhibitor
- inhibits HIV reverse transcriptase
- competes with nucleoside triphosphates to be added to viral DNA
Memantine
- NMDA receptor antagonist
- decreases neuronal excitation by glutamate
Zolpidem
- GABAa receptor agonist
- binds at same place as benzos.
- decreases activity of CNS neurons
Captopril
- ACEI
- inhibits ACE, peptidyl dipeptidase
- causes less angII and bradykinin, decreases peripheral vascular resistance, decreases circulating volume of fluid
Albendazole
- inhibits microtubule synthesis and function.
- use: whipworm (Trichuris), hookworm (Necator/Ancylostoma), roundworm (Ascaris), pinworm (Enterobius), strongyloidiasis, neurocysticercosis.
Streptozocin
- nitrosourea
- alkylating agent
- cross-links DNA to inhibit DNA and RNA synthesis
Sulfadiazine
- sulfonamide
- analogue of PABA, competitively inhibits dihydropteroate synthase, disrupts DNA synthesis
Glycoprotein IIb/IIIa Inhibitors
- abciximab
- eptifibatide
- tirofiban
Ziprasidone
- atypical antipsychotic
- blocks 5-HT2 and DA receptors
Lispro
- rapid onset synthetic insulin
- lasts 3-4 hr
Mycophenolate Mofetil
- acts within B and T lymphocytes to inhibit monophosphate dehydrogenase
- decreases GMP synthesis, causes less DNA synthesis in B and T cells
Codeine
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Haloperidol
- high potency typical antipsychotic
- blocks postsynaptic D2 receptors
GLP-1 analgoues
- GLP-1 mimic.
- exenatide
- liraglutide
- increases insulin secretion, slows intestinal absorption of glucose, decreases glucagon secretion.
Dofetilide
- for atrial arrhythmias
Glucagon-Like Peptide-1 Analog
- exenatide
- liraglutide
Omeprazole
- PPI
- irreversibly inhibits H/K ATPase pump
- suppresses gastric acid secretion
Rivastigmine
- reversible AChEI
- increases stimulation of Nn and M receptors
Class IA Antiarrhythmics
- quinidine
- procainamide
- disopyramide
- binds activated Na channels, blocks flow of Na into cardiac myocyte.
- prolongs phase 0 depolarization
- delays phase 3 repolarization
- prolongs QT interval
Neostigmine
- reversible AChEI
- increases stimulation at Nn and M receptors
Betaxolol
- selective beta1 antagonist
- causes decreased HR and contractility
Gentamicin
- aminiglycoside
- protein synthesis inhibitor
- binds 30S, inhibits initiation complex, causes mRNA misreading
Hydrochlorothiazide
- thiazide diuretic
- inhibits Na/Cl cotransporter in early dital convoluted tubule
- increases retention of NaCl and water into tubular lumen, causes loss of water and salt via urine
6-Mercaptopurine
- converted to thio-IMP by HGPRT
- inhibits purine synthesis via feedback inhibition
- thio-IMP converted to thio-GTP and causes DNA or RNA instability
Lactulose
- bulking laxative
- draws water into intestine via osmosis
- distends bowel, increases motility
Nystatin
- alters fungal cell membrane permeability
- for topical or oral candidiasis
Clarithromycin
- macrolide
- protein synthesis inhibitor
- binds 50S, inhibits initiation complex formation, inhibits translocation
Allopurinol
- gout agent
- inhibits xanthine oxidase
Iloprost
- analog of PGI2
- inhibits platelet aggregation, produces vasodilation
Pralidoxime
- reverses AChEI
Gabapentin
- GABA analogue
- interacts with Ca ion channels in CNS
- may decrease glutamate and NE release
Venlafaxine
- heterocyclic antidepressant
- blocks reuptake of NE and 5-HT
Methyldopa
- alpha2 agonist
- causes decreased central adrenergic activity with decreased vasoconstriction
Saquinavir
- protease inhibitor
- inhibits HIV protease so can’t replicate
Calcium Carbonate
- antacid
- weak bases that reduce acidity of gastric contents
Regular Insulin
- rapid onset (peak 2-3hr)
- short acting (5-7hr)
Chlorpromazine
- low potency typical antipsychotic
- blocks postsynaptic D2 receptors
Digoxin
- inhibits Na/K ATPase pump
- increases intracellular Na, decreases activity of Na/Ca exchanger
- increases intracellular Ca, increases cardiac myocyte contractility
- increases parsympathetic outflow
Ganciclovir
- analogue of guanosine.
- phosphorylated by viral kinase, inhibits CMV DNA polymerase.
Desirudin
- direct thrombin inhibitor
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Pancuronium
- non-depolarizing NMJ blocker
- acts to competitively bind nicotinic receptors at NMJ.
Chlorpropamide
- 1st gen sulfonylurea.
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels.
Celecoxib
- irreversibly inhibits COX-2
- decreases prostaglandin synthesis
Echothiophate
- AChEI
- increases stimulation of Nn and M receptors
Metoclopramide
- antagonist at D2 receptor
- blocks activation of vomiting reflex pathway
- stimulates gastric and SI motility
Tiagabine
- inhibits reuptake of GABA in synaptic cleft
Hydralazine
- directly relaxes arteriolar smooth muscle
- causes decreased BP
- may block Ca release from sarcoplasmic reticulum, inhibits vascular smooth muscle contraction
DPP-4 Inhibitors
- sitagliptin
- vildagliptin
- saxagliptin
- linagliptin
- inhibits DPP-4.
- increases GLP-1 levels, causing increased insulin secretion and decreased glucagon secretion
Flumazenil
- competitive agonist of benzodiazepines
- for benzo overdose
Tirofiban
- glycoprotein IIb/IIIa inhibitor
- binds GP IIb/IIIa receptor on platelet, inhibits binding/cross-linking of fibrinogen and vWf to receptor
- impedes platelet aggregation
Salmerterol
- analog of albuterol
- long acting beta2 agonist
- for asthma and COPD
Antacids
- aluminum hydroxide
- magnesium hydroxide
- calcium carbonate
- sodium bicarbonate
- weak bases that reduce acidity of gastric contents
Ciprofloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA.
Bretylium
- Class III Anti-Arrhythmic Agent
- binds K channels, blocks K flow out of cardiac myocyte
- prolonged phase 3 repolarization and action potential
- prolonged QT interval
Urokinase
- fibrinolytic
- promotes conversion of plasminogen to plasmin to degrade fibrin and degrades thrombus
Lithium
- inhibits phosphoinositol second messenger cascade. interferes with synthesis, storage, release, reuptake of NE, DA, 5-HT
Vigabatrin
- irreversibly inhibits GABA transaminase
Fibrinolytics
- streptokinase
- urokinase
- anistreplase
- alteplase
- reteplase
- promotes conversion of plasminogen to plasmin to degrade fibrin and degrades thrombus
Leuprolide
- GnRH agonist
- continuous use causes decreased LH and FSH and decreased levels estrogens and testosterone
Timolol
- beta1 and beta2 antagonist
- via beta1 get decreased HR and contractility, decreased BP
- via beta2 get bronchoconstriction
Doxepin
- 1st gen TCA
- blocks reuptake of NE and 5-HT
Oxybutynin
- M1 M2 M3 antagonist
- increases bladder sphincter tone
Dexamethasone
- synthetic corticosteroid
- mimics action of endogenous glucocorticoids
- causes vasoconstriction, hepatic gluconeogenesis, protein catabolism, decreased circulating leukocytes, inhibits prostaglandins and leukotriene formation by inhibiting phospholipase A2
- stimulates gastric acid and pepsin production
Isoproterenol
- beta1 beta2 agonist
- causes increased HR and contractility.
- produces peripheral vasodilation, bronchodilation
Saxagliptin
- DPP-4 inhibitor
- inhibits DPP-4.
- increases GLP-1 levels, causing increased insulin secretion and decreased glucagon secretion
Dextromethorphan
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Sumatriptan
- stimulates presynaptic 5-HT1b/1d receptors
- inhibits vasodilation and inflammation of dura
SSRI
- fluoxetine
- paroxetine
- sertraline
- fluvoxamine
- escitalopram
- duloxetine
- citalopram
- prevent reuptake of 5-HT
Amlodipine
- CCB
- block voltage gated L-type Ca channels, inhibits Ca into cells.
- causes peripheral vasodilation and decreases myocardial contractility
Chlordiazepoxide
- intermediate-acting benzo
- enhanced GABAa receptor activation
- decreased activity of neurons of limbic, thalamic, hypothalamic regions
Tolbutamide
- 1st gen sulfonylurea.
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels
Stavudine
- NRT inhibitor
- inhibits HIV reverse transcriptase
- competes with nucleoside triphosphates to be added to viral DNA
Ethambutol (ETH)
- anti-mycobacterial agent
- inhibits mycobacterial arabinosyl transferase
- interferes with mycobacterial cell wall synthesis
Fondaparinux
- binds anti-thrombin III to accelerate selective action of antithrombin III to inhibit factor Xa
- inhibits coag cascade
Methotrexate
- inhibits dihydrofolate reductase
- causes diminished thymidylate and decreases DNA synthesis
Didanosine
- NRT inhibitor
- inhibits HIV reverse transcriptase
- competes with nucleoside triphosphates to be added to viral DNA
Nortriptyline
- 1st gen TCA
- block reuptake of NE and 5-HT
Griseofulvin
- interferes with microtubule function in fungal cells in skin, nails, hair
Smoking Cessation Agents
- bupropion and varenicline
Chloramphenicol
- protein synthesis inhibitor
- binds 50S, inhibits peptidyl transferase = inhibits elongation of peptide chain
Colesevelam
- Bile acid resin
- inhibits reabsorption of bile acids in jejunum and ileum
Meglitinides
- repaglinide
- nateglinide
- binds K channel on pancreatic beta-cell
- stimulates release of insulin
Lamivudine
- NRT inhibitor
- inhibits HIV reverse transcriptase
- competes with nucleoside triphosphates to be added to viral DNA
Spironolactone
- aldosterone receptor antagonist
- competitively inhibits aldosterone receptor in cortical collecting tubule and late distal tubule
- decreases salt and water retention, increases salt and water loss
- less K excretion in urine
Sulfisoxazole
- sulfonamide
- analogue of PABA, inhibits dihydropteroate synthase, disrupts DNA synthesis
Enalapril
- ACEI
- inhibits ACE, peptidyl dipeptidase
- causes less angII and bradykinin, decreases peripheral vascular resistance, decreases circulating volume of fluid
Glyburide
- 2nd gen sulfonylurea.
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels.
Methoxyflurane
- general inhaled anesthetic
- directly activates GABAa receptors
Prednisolone
- synthetic corticosteroid
- mimics action of endogenous glucocorticoids
- causes vasoconstriction, hepatic gluconeogenesis, protein catabolism, decreased circulating leukocytes, inhibits prostaglandins and leukotriene formation by inhibiting phospholipase A2
- stimulates gastric acid and pepsin production
Cefaclor
- 2nd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Zafirlukast
- reversible inhibitor of cysteinyl leukotriene-1 receptor
- blocks leukotrienes C4, D4, E4.
Miconazole
- inhibits ergosterol formation by inhibiting fungal CYP450s.
Cisplatin
- alkylating agent that inhibits DNA and RNA synthesis
- cross-links DNA
Cilostazol
- inhibits cAMP PDE III that breaks down cAMP.
- causes increased cAMP, inhibits TXA2 synthesis, promotes prostacyclin production
- inhibits platelet aggregation and thrombus formation, promotes vasodilation
Nalidixic Acid
- a quinolone
- little effect clinically
Sildenafil
- selectively inhibits cGMP specific PDE-5 in corpus cavernosum of penis
- increases cGMP, causes relaxation of smooth muscle of penis leads to erection
Tamsulosin
- selective alpha1 antagonist
- causes decreased BP, decreased prostatic and bladder neck contraction
Disulfiram
- inhibits acetaldehyde dehydrogenase
Ketamine
- general intravenous anesthetic
- acts as NMDA receptor antagonist, decreases neuronal conduction.
Tramadol
- weak mu opioid receptor agonist
Acebutolol
- selective beta1 antagonist
- causes decreased HR and contractility
Esmolol
- selective beta1 antagonist
- causes decreased HR and contractility
Nitroprusside
- metabolized into NO in blood.
- stimulates guanylate cyclase, increases cGMP, deactivates myosin light chain.
- causes smooth muscle relaxation of peripheral veins and arteries
- reduces afterload and preload
Triamterene
- blocks Na channels in distal cortical collecting tubule
- blocks Na and water reabsorption
- causes diuresis, decreases urinary K excretion.
Naloxone
- opioid receptor antagonist for overdose
NART Inhibitors
- nucleotide analog reverse transcriptase inhibitors
- tenofovir
- adefovir
- inhibit reverse transcriptase
Heterocyclic Antidepressants
- nefazodone
- mirtazapine
- venlafaxine
- maprotiline
- blocks reputake of NE and 5-HT
- or inhibits activation of alpha2 receptors and 5-HT2 receptors
Hydrocodone
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Loperamide
- anti-diarrheal
- binds opioid receptors in intestine to inhibit ACh release and decrease gut peristalsis
Diphenhydramine
- first gen H1 receptor blocker
- blocks H1 histamine receptor
- causes bronchodilation, decreased pruritus, decreased peripheral vascular resistance, decreased GI motility, decreased rash
Bismuth Subsalicylate
- anti-diarrheal
- binds intestinal toxins from E. coli, inhibits intestinal motlity by inhibiting prostaglandin synthesis, stimulates fluid absorption in bowel
Praziquantel
- for schistosomes, clonorchis, paragonimus, cystercercosis
NRT Inhibitors
- Zidovudine
- Didanosine
- Zalcitabine
- Lamivudine
- Stavudine
- Emtricitabine
- Abacavir
- inhibits HIV reverse transcriptase to inhibit DNA synthesis.
- competes with nucleoside tirphosphates to be added to synthesized viral DNA.
Tobramycin
- aminoglycoside
- protein synthesis inhibitor
- binds 30S, inhibits initiation complex formation, causes mRNA misreading
Levetiracetam
- may bind to synaptic vesicle proteins, interrupt nerve conduction across neuronal synapse
Streptomycin
- aminoglycoside
- protein synthesis inhibitor
- binds 30S, inhibits initiation complex formation, causes mRNA misreading
Alteplase
- fibrinolytic
- promotes conversion of plasminogen to plasmin to degrade fibrin and degrades thrombus
Atazanavir
- protease inhibitor
- inhibits HIV protease, unable to replicate
Tadalafil
- selectively inhibits cGMP specific PDE-5 in corpus cavernosum of penis
- increases cGMP, causes relaxation of smooth muscle of penis leads to erection
General Inhaled Anesthetics
- halothane
- isoflurane
- desflurane
- sevoflurane
- enflurane
- methoxyflurane
- directly activate GABAa receptors
Ceftriaxone
- 3rd gen cephalosporin
- binds PBPs, block peptidoglycan cross-linking, inhibits cell wall synthesis
Famcicloir
- phosphorylated by viral thymidine kinase into analogue of dGTP
- inhibits DNA synthesis
Eptifibatide
- glycoprotein IIb/IIIa inhibitor
- binds GP IIb/IIIa receptor on platelet, inhibits binding/cross-linking of fibrinogen and vWf to receptor
- impedes platelet aggregation
Trazodone
- 2nd gen TCA
- blocks reuptake of NE and 5-HT
Ticagrelor
- anti-platelet
- reversible allosteric inhibitor of platelet P2Y12 receptor
- use: acute coronary syndromes
Repaglinide
- Meglitinide
- binds K channel on pancreatic beta-cell
- stimulates release of insulin
Ceftazidime
- 3rd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Carmustine
- nitrosourea
- alkylating agent
- cross-links DNA to inhibit DNA and RNA synthesis
Gemfibrozil
- fibrate
- stimulates lipoprotein lipase to break down triglycerides into VLDL and chylomicron and removed from circulation.
- decrease hepatic cholesterol biosynthesis
Levothyroxine
- synthetic form of T4
Dalteparin
- LMW heparin
- binds anti-thrombin III, accelerates action of anti-thrombin III to degrade factor X
Zanamivir
- inhibits neuraminidase
- for influenza A and B
Amikacin
- aminoglycoside
- protein synthesis inhibitor
- binds 30S, inhibits initiation complex formation, causes mRNA misreading
Abciximab
- glycoprotein IIb/IIIa inhibitor
- binds GP IIb/IIIa receptor on platelet, inhibits binding/cross-linking of fibrinogen and vWf to receptor
- impedes platelet aggrevation
Etanercept
- inhibits binding of TNF-alpha and TNF-beta molecules to receptors
Propranolol
- beta1 and beta2 antagonist
- via beta1 causes decreased HR and contractility, decreased BP
- via beta2 get bronchoconstriction
Cocaine
- blocks Na+/K+ ATPase for reuptake of NE, 5-HT, and DA.
- blocks voltage gated Na+ channels
- ester local anesthetic
Donepezil
- reversible AChEI
- increases stimulation of Nn and M receptors
Indinavir
- protease inhibitor
- inhibits HIV protease, unable to replicate
Glycerin
- osmotic diuretic
- acts on proximal tubule and descending loop of Henle
- increases tubular osmolarity, increases urine outflow, decreases effective circulating volume of body
Paroxetine
- SSRI
- prevents reuptake of 5-HT
Azathioprine
- analog of 6-MP
- converted to 6-MP in cell
- inhibits purine synthesis
Melarsoprol
- may inhibit parasitic enzymes
- use: late T. brucei
Darunavir
- protease inhibitor
- inhibits HIV protease, unable to replicate
Nefazodone
- heterocyclic antidepressant
- blocks reputake of NE and 5-HT
Methacholine
- M1 M2 M3 receptor agonist
- via M3 causes smooth muscle contraction of bronchi
Fentanyl
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Pilocarpine
- M1 M2 M3 receptor agonist
- mostly acts at M3
- causes contraction of sphincter muscle of iris, contracts ciliary muscle
Indomethacin
- NSAID
- reversible inhibitor of COX1 and 2
- decreases prostaglandin synthesis
- anti-pyretic, analgesic, anti-inflammatory
Magnesium
- anti-arrhytmic agent
- affects flow of Na, K, Ca channels
Latanoprost
- analog of PGF2alpha
- increases aqueous humor drainage
Atorvastatin
- HMG-CoA reductase inhibitor
- increases concentration of LDL receptors
Clavulanic Acid
- inactivates beta-lactamases
Heroin
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Dapsone (DAP)
- anti-mycobacterial agent
- PABA antagonist
- inhibits folic acid synthesis
Sodium Stibogluconate
- may inhibit parasitic glycolysis
- use: leishmaniasis
Bromocriptine
- partial DA receptor agonist
Cefprozil
- 2nd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Carbamazepine
- inhibits flow of Na through Na channels, hyperpolarizes and decreases activity of neuron
Duloxetine
- SSRI
- prevents reuptake of 5-HT
Ketoconazole
- inhibits formation of ergosterol by inhibiting fungal cytochrome P450 enzymes.
- inhibits mammalian CYP450, disrupts gonadal and adrenal steroid synthesis.
Cromolyn
- anti-inflammatory agent for asthma exacerbation
Eszopiclone
- GABAa receptor agonist
- binds at same place as benzo
- decreases activit of CNS neurons
Cefuroxime
- 2nd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Cardiac Glycosides
- digoxin
- digitoxin
- ouabain
Enflurane
- general inhaled anesthetic
- directly activates GABAa receptors
Lidocaine
- Class IB Anti-Arrhythmic Agents
- binds both activated and inactivated Na channels, blocks Na into cardiac myocyte
- shortened phase 3 repolarization and action potential
Diclofenac
- NSAID
- reversible inhibitor of COX1 and 2
- decreases prostaglandin synthesis
- anti-pyretic, analgesic, anti-inflammatory
Phenylephrine
- alpha1 agonist
- ⇒ systemic vasoconstriction, pupil dilation.
Fluoroquinolones
- -floxacin
- ciprofloxacin
- norfloxacin
- ofloxacin
- sparfloxacin
- gatifloxacin
- moxifloxacin
- levofloxacin
- inhibits bacterial DNA topoisomerase II, breaks DNA
Glimepiride
- 3rd gen sulfonylurea.
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels.
Nafcillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibbits cell wall synthesis
Acetazolamide
- carbonic anhydrase inhibitor
- works in proximal convoluted tubule
- causes less bicar reabsorbed, more Na lost, increasing loss of water and electrolytes
- causes decreased production aqueous humor
Pantoprazole
- PPI
- irreversibly inhibits H/K ATPase
- suppresses gastric acid secretion
Bosentan
- competitively inhibits binding of endothelin-1 to endothelin receptors
- causes pulmonary vasodilation
Ipratropium
- M3 antagonist
- causes bronchodilation
Local Anesthetics
- esters: procaine, cocaine, tetracaine, benzocaine
- amides: bupivacaine, lidocaine
- block Na channels
5-Fluorouracil (5-FU)
- converted to 5-FdUMP, which inhibits thymidylate synthase
- causes DNA synthesis disruption from lack of thymidine
- can cause dysfunctional RNA processing
Furosemide
- loop diuretic, sulfonamide
- inhibits coupled Na/K/2Cl transport system in thick ascending loop of Henle
- causes retention of NaCl, K, water in tubular lumen, and loss of water and electrolytes
Bezafibrate
- fibrate
- stimulates lipoprotein lipase to break down triglycerides into VLDL and chylomicron and removed from circulation.
- decrease hepatic cholesterol biosynthesis
Pyrantel Pamoate
- for Ascaris, Necator, Ancylostoma, Enterobius
Sulfadoxine
- sulfonamide
- analogue of PABA, competitively inhibits dihydropteroate synthase, disrupts DNA synthesis
NSAIDs
- ibuprofen
- naproxen
- indomethacin
- diclofenac
- sulindac
- oxaprozin
- reversibly inhibits COX 1 and 2
- decreases prostaglandin synthesis
Naproxen
- NSAID
- reversible inhibitor of COX 1 and 2
- decreases prostaglandin synthesis
- anti-pyretic, analgesic, anti-inflammatory
Detemir Insulin
- slow onset (12hr peak)
- long acting (24hr)
Flucytosine
- converted in fungal cell to nucleotide analogues, inhibits thymidylate synthetase.
- inhibits fungal DNA and RNA synthesis
Amitryptyline
- 1st gen TCA
- blocks reuptake of NE and 5-HT
Loratadine
- 2nd gen H1 receptor blocker
- blocks H1 receptor
- produces bronchodilation, decreased pruritus, decreased peripheral vascular resistance, decreased GI motlitiy, decreased rash
Sulfonamides
- TMP-SMX
- sulfisoxazole
- sulfamethizole
- sulfadoxine
- sulfadiazine
Propofol
- general intravenous anesthetic
- may prolong GABAa receptor activity
H2-Receptor Blockers
- ranitidine
- cimetidine
- famotidine
- nizatidine
Tenofovir
- nucleotide analog reverse transcriptase inhibitor
- inhibits reverse transcriptase
Bisphosphonates
- -dronates:
- alendronate
- etidronate
- ibandronate
- zoledronate
- pamidronate
- risedronate
- decreases osteoclastic bone reabsorption by inhibiting osteoclastic activity and increasing oscteoclastic cellular death
Orlistat
- anti-obesity drug
- inhibits pancreatic enzyme lipase, reduces intestinal fat absorption
Fenofibrate
- fibrate
- stimulates lipoprotein lipase to break down triglycerides into VLDL and chylomicron and removed from circulation.
- decrease hepatic cholesterol biosynthesis
Protein Synthesis Inhibitors
- aminoglycosides
- tetracyclines
- chloramphenicol
- clindamycin
- erythromycin
- lindomycin
Ranitidine
- H2 receptor blocker
- reversibly blocks binding of histamine to H2 receptor
- decreased activity of H/K proton pump
- decreases gastric acid secretion
Terbinafine
- inhibits squalene epoxidase to inhibit ergosterol synthesis
Pregabalin
- may bind voltage-gated Ca ion channels in CNS, decreasing glutamate and NE release
Eplerenone
- aldosterone receptor antagonist
- competitively inhibits aldosterone receptor in cortical collecting tubule and late distal tubule
- decreases salt and water retention, increases salt and water loss
- less K excretion in urine
Paclitaxel
- binds tubulin
- promotes stabilization and polymerization of mitotic spindle
- halt during metaphase
Amiloride
- blocks Na channels in distal cortical collecting tubule
- blocks Na and water reabsorption
- causes diuresis, decreases urinary K excretion
Procainamide
- Class IA anti-arrhythmic agent
- binds activated Na channels, blocks flow of Na into cardiac myocyte.
- prolongs phase 0 depolarization
- delays phase 3 repolarization
- prolongs QT interval
Anastrozole
- inhibits aromatase
- decreases estradiol levels
Labetalol
- alpha1 beta1 beta2 blocker
- via beta1 get decreased HR and contractility
- via beta2 get bronchoconstriction
- via alpha1 get decreased BP
Amoxapine
- 2nd gen TCA
- blocks reuptake of NE and 5-HT
ACE Inhibitors
- -pril.
- captopril, enalapril, lisinopril, benazepril, fosinopril, moexipril, quinapril, ramipril
- inhibits ACE, peptidyl dipeptidase
- causes less angII and bradykinin, decreases peripheral vascular resistance, decreases circulating volume of fluid
Prazosin
- selective alpha1 antagonist
- causes decreased BP, decreased prostatic and bladder neck contraction
Hydroxyurea
- inhibits ribonucleotide reductase
- causes decreased DNA synthesis
Imipenem
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Vinblastine
- binds tubulin
- depolymerizes mitotic spindle
- can’t get past metaphase
Acyclovir
- phosphorylated by thymidine kinase into analogue of dGTP.
- inhibits DNA synthesis
Vecuronium
- non-depolarizing NMJ blocker
- competitively binds nicotinic receptors at NMJ
Lisinopril
- ACEI
- inhibits ACE, peptidyl dipeptidase
- causes less angII and bradykinin, decreases peripheral vascular resistance, decreases circulating volume of fluid
Montelukast
- reversibly inhibits cysteinyl leukotriene-1 receptor
- blocks binding of leukotriene C4, D4, E4.
Etidronate
- bisphosphonate
- decreases osteoclastic bone reabsorption by inhibiting osteoclastic activity and increasing oscteoclastic cellular death
NNRT Inhibitors
- Nevirapine
- Efavirenz
- Delavirdine
- binds to HIV reverse transcriptase, blocks DNA synthesis
Famotidine
- H2 receptor blocker
- reversibly blocks binding of histamine to H2 receptor
- decreased activity of H/K proton pump
- decreases gastric acid secretion
Vardenafil
- selectively inhibits cGMP specific PDE-5 in corpus cavernosum of penis
- increases cGMP, causes relaxation of smooth muscle of penis leads to erection
Sucralfate
- enhances mucosal barrier
- promotes healing of duodenal ulcers
Reteplase
- fibrinolytic
- promotes conversion of plasminogen to plasmin to degrade fibrin and degrades thrombus
Methadone
- in maintenance programs for opioid addicts
Tocainide
- Class IB Anti-Arrhythmic Agents
- binds both activated and inactivated Na channels, blocks Na into cardiac myocyte
- shortened phase 3 repolarization and action potential
Bupropion
- 2nd gen TCA
- blocks reuptake of NE and 5-HT
- also a nicotinic antagonist
Phenoxybenzamine
- irreversible alpha receptor antagonist
- use: pheochromocytoma
Thiazolidinediones
- rosiglitazone
- pioglitazone
- troglitazone
- binds PPAR-gamma, causing upregulation of genes.
- causes decrease in insulin resistance
Tiotropium
- M3 antagonist
- causes bronchodilation
Glipizide
- 2nd gen sulfonylurea.
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels.
Chlorthalidone
- thiazide diuretic
- inhibits Na/Cl cotransporter in early dital convoluted tubule
- increases retention of NaCl and water into tubular lumen, causes loss of water and salt via urine
Metronidazole
- metabolized by bacteria into reactive compounds that damage DNA, proteins, and membranes. causes cell death
Tranylcypromine
- MAOI
- inhibits MAO, increases levels of 5-HT, DA, NE.
Flecainide
- Class IC Anti-Arrhythmic Agent
- binds Na channels, blocks flow of Na into cardiac myocyte
- prolongs phase 0 depolarization
Oxacillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Mivacurium
- non-depolarizing NMJ blocker
- acts to competitively bind nicotinic receptors at NMJ.
Phenobarbital
- barbiturate
- potentiates GABAa receptor activity
- decreases activity of CNS neurons
Tamoxifen
- competitive estrogen receptor antagonist
- useful in postmenopausal women
- decreses effects of estrogen on breast
Apixaban
- directly inhibits factor Xa
- inhibits both intrinsic and extrinsic coag cascade
Buspirone
- 5-HT1a presynaptic receptor partial agonist
- mixed agonist/antagonist activit on postsynaptic DA receptors in brain
Isoflurane
- general inhaled anesthetic
- directly activates GABAa receptors
Ultralente Insulin
- slow onset (12hr peak)
- long acting (24hr)
Direct Thrombin Inhibitors
- hirudin
- bivalirudin
- lepirudin
- desirudin
- argatroban
- melagatran
- dabigatran
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Caspofungin
- inhibits beta(1,3)-D-glucan synthase
- disrupts fungal cell wall
Phenytoin
- decreases flow of Na and Ca ions, decreases depolarization of cells of nervous system
Emtricitabine
- NRT inhibitor
- inhibits HIV reverse transcriptase
- competes with nucleoside triphosphates to be added to viral DNA
CCB
- nifedipine, nicardipine, amlodipine, verapamil, diltiazem
- block voltage gated L-type Ca channels, inhibits Ca into cells.
- causes peripheral vasodilation and decreases myocardial contractility
Rivaroxaban
- directly inhibits factor Xa
- inhibits both intrinsic and extrinsic coag cascade
Pyrazinamide (PYR)
- anti-mycobacterial agent
Hydroxyzine
- 1st gen H1 receptor blocker
- blocks H1 receptors
- causes bronchodilation, decreased pruritus, decreased peripheral vascular resistance, decreased GI motility, decreased rash
Foscarnet
- pyrophosphate analog
- inhibits viral DNA polymerase
Diazepam
- long-acting benzo
- enhanced GABAa receptor activation
- decreased activity of neurons of limbic, thalamic, hypothalamic regions
Albuterol
- beta2 agonist
- causes bronchodilation, transcellular shifts of K+ into cell.
Efavirenz
- NNRT inhibitor
- binds to HIV reverse transcriptase
Carboplatin
- alkylating agent
- cross-links DNA to inhibit DNA and RNA synthesis
Clonidine
- alpha2 agonist
- causes decreased central adrenergic activity with decrease in vasoconstriction and decreased CO as well as HR.
Flutamide
- competitive antagonist at androgen receptor
- decreases testosterone on prostate, inhibits gonadotropin secretion.
- administer with leuprolide
Benzodiazepines
- short-acting: triazolam, midazolam
- immediate-acting: lorazepam, oxazepam, alprazolam, chlordiazepoxide
- long-acting: diazepam, prazepam, clonazepam, flurazepam
- enhances GABA receptor activation
- decreased activity of neurons of limbic, thalamic, hypothalamic regions of CNS
Erythromycin
- macrolide
- protein synthesis inhibitor
- binds 50S, inhibits initiation complex formation, inhibits translocation.
Ethacrynic Acid
- diuretic that acts like furosemide
- can be used in those with sulfa allergies
Ephedrine
- stimulates release of NE and Epi from neurons.
- ⇒ increased systolic and diastolic BP, bronchodilation, stimulate CNS.
Amoxicillin
- aminopenicillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Ibutilide
- Class III Anti-Arrhythmic Agent
- binds K channels, blocks K flow out of cardiac myocyte
- prolonged phase 3 repolarization and action potential
- prolonged QT interval
Phenelzine
- MAOI
- inhibits MAO, increases levels of 5-HT, NE, DA
Propylthiouracil
- inhibits thyroid peroxidase
- inhibits thyroid hormone synthesis
- inhibits conversion of T4 to T3
Rimantadine
- similar to Amantadine.
- blocks uncoating of viral RNA in influenza A
Prasugrel
- irreversibly inhibits binding of ADP to platelet P2Y12 receptor
- blocks ADP-mediated platelet aggregation
Dactinomycin
- inhibits DNA-dependent RNA polymerase
Acetaminophen
- aka tylenol
- reversibly inhibits COX 1 and 2 in CNS
- decreases prostaglandin synthesis in CNS
- anti-pyretic and analgesic
Fexofenadine
- 2nd gen H1 receptor blockers
- blocks H1 receptor
- causes bronchodilation, decreased pruritius, decreased peripheral vascular resistance, decreased GI motility, decreased rash
Polyethylene Glycol
- bulking laxative
- draws water into intestine via osmosis
- distends bowel, increases motility
Carbon Monoxide
- binds Hb, reduces oxygen binding and delivery
- signs: HA, GI upset, seizures, coma
- antidote: oxygen
Class IB Antiarrhythmics
- lidocaine
- tocainide
- mexiletine
- binds both activated and inactivated Na channels, blocks Na into cardiac myocyte
- shortened phase 3 repolarization and action potential
Adenosine
- anti-arrhythmic agent
- increases K efflux out of cells of SA and AV node.
- hyperpolarizes cell
Simvastatin
- HMG-CoA reductase inhibitor
- increases concentration of LDL receptors
Potassium
- anti-arrhythmic agent
- increases extracellular concentration of K, raises action potential threshold, reduces myocyte excitation
Neomycin
- aminoglycoside
- protein synthesis inhibitor
- binds 30S, inhibits initiation complex formation, causes mRNA misreading
Galantamine
- reversible AChEI
- increases stimulation of Nn and M receptors
Linezolid
- protein synthesis inhibitor
- at 50S, prevents formation of ribosomal complex
- use: MRSA, VRE
Odansetron
- blocks 5-HT3 receptors
- inhibits activation of vomiting reflex pathway
Bleomycin
- binds DNA and triggers formation of oxygen free radicals
- causes strand breaks and inhibition of DNA synthesis
Rosiglitazone
- thiazolidinedione
- binds PPAR-gamma, causing upregulation of genes.
- causes decrease in insulin resistance
Lepirudin
- direct thrombin inhibitor
- directly inhibits thrombin
- interferes with intrinsic and extrinsic coag cascade
Fenoldopam
- D1 receptor agonist
- produces splanchnic and renal vasodilation
Metolazone
- thiazide diuretic
- inhibits Na/Cl cotransporter in early dital convoluted tubule
- increases retention of NaCl and water into tubular lumen, causes loss of water and salt via urine
Etoposide
- inhibits topoisomerase II
- causes DNA strand breakage
Trimethoprim
- inhibits folic acid synthesis by inhibiting dihydrofolate reductase
- part of TMP-SMX
Adalimumab
- monoclonal Ab to TNF-alpha, inhibits binding of TNF-alpha with receptor
Penicillin
- binds PBP’s, blocks peptidoglycan cross-linking, blocks cell wall synthesis.
Chloroquine
- concentrates in parasite food vacuoles, prevents heme metabolism.
- death from buildup of heme.
Hydrocortisone
- synthetic corticosteroid
- mimics action of endogenous glucocorticoids
- causes vasoconstriction, hepatic gluconeogenesis, protein catabolism, decreased circulating leukocytes, inhibits prostaglandins and leukotriene formation by inhibiting phospholipase A2
- stimulates gastric acid and pepsin production
Atropine
- competitive M1 M2 M3 antagonist
- via M1 cause sedation, psychosis
- via M2 get tachycardia
- via M3 get decreased GI motility, cycloplegia
Aluminum Hydroxide
- antacid
- weak bases that reduce acidity of gastric contents
Nifurtimox
- creates oxygen radicals, damage parasites.
- use: T. cruzi
Fosamprenavir
- protease inhibitor
- inhibits HIV protease, unable to replicate
Topiramate
- block flow of Na ions thru voltage-gated Na channels, hyperpolarizes and decreases activity of neurons.
- may have GABAa receptor agonism
Cholestyramine
- Bile acid resin
- inhibits reabsorption of bile acids in jejunum and ileum
Tropicamide
- analog of atropine
- produces mydriasis
Nadolol
- beta1 and beta2 antagonist
- via beta1 get decreased HR and contractility, decreased BP.
- via beta2 get bronchoconstriction
Verapamil
- Class IV Anti-Arrhythmic Agent
- blocks voltage-gated Ca channels in cardiac and smooth muscles
- blocks in SA and AV nodal cells
- slows phase 4 spontaneous depolarization, prolongs PR interval, delays repolarization of myocyte
- causes peripheral dilation and decreased contractility
Ticarcillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Sulbactam
- inactivates beta-lactamases
Pseudoephedrine
- derivative of ephedrine
- nasal decongestant
Beclomethasone
- inhaled glucocorticoid for asthma
Clonazepam
- long-acting benzo
- enhanced GABAa receptor activation
- decreased activity of neurons of limbic, thalamic, hypothalamic regions of CNS
Ticlopidine
- irreversibly inhibits binding of ADP to platelet P2Y12 receptor
- blocks ADP-mediated platelet aggregation
Mannitol
- osmotic diuretic
- acts on proximal tubule and descending loop of Henle
- increases tubular osmolarity, increases urine outflow, decreases effective circulating volume of body
Nitrosoureas
- carmustine
- lomustine
- semustine
- streptozocin
- alkylating agent
- cross-links DNA strands to inhibit DNA and RNA synthesis
Enoxaparin
- LMW heparin
- binds anti-thrombin III, accelerates actions of anti-thrombin III to degrade factor X
Acetylsalicylic Acid
- aka aspirin
- irreversibly inhibits COX 1 and 2
- decreases prostaglandin synthesis
- anti-pyretic, analgesic, anti-inflammatory, anti-platelet
Ribavirin
- guanosine analogue.
- inhibits guanine nucleotide synthesis, inhibits viral RNA polymerase, stops viral replication
Daunorubicin
- antracycline
- blocks DNA and RNA synthesis by insertion
- produces oxygen free radicals
- disrupts fluid and ion transport across cell membrane
Delavirdine
- NNRT inhibitor
- binds to HIV reverse transcriptase
Disopyramide
- Class IA anti-arrhythmic agent
- binds activated Na channels, blocks flow of Na into cardiac myocyte.
- prolongs phase 0 depolarization
- delays phase 3 repolarization
- prolongs QT interval
Ursodiol
- inhibits HMG-CoA reductase
- decreases intestinal reabsorption of cholesterol
- inhibits secretion of cholesterol into bile
- causes decreased cholesterol gallstones
Carbonic Anhydrase Inhibitors
- dorzolamide
- brinzolamide
- acetazolamide
Sertraline
- SSRI
- prevents reuptake of 5-HT
Voriconazole
- inhibits formation of ergosterol by inhibiting fungal CYP450s
Pindolol
- beta1 and beta2 antagonist
- via beta1 get decreased HR and contractility, decreased BP.
- via beta2 get bronchoconstriction
Norepinephrine
- alpha1, alpha2, beta1 agonist.
- causes vasoconstriction via alpha1
- increased contractility and HR via beta1
- HR normal by reflex bradycardia.
Moxifloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Barbiturates
- phenobarbital
- thipental
- secobarbital
- amobarbital
- pentobarbital
- potentiate GABAa receptor activity
- decrease activity of CNS neurons
Lopinavir
- protease inhibitor
- inhibits HIV protease, unable to replicate
Meperidine
- opioid
- binds opioid receptors, hyperpolarizes, decreases activity of neural cells
Esomeprazole
- PPI
- irreversibly inhibits H/K ATPase pump
- suppresses gastric acid secretion
Rituximab
- monoclonal Ab aimed against antigen CD20 on B cells
- induces B cell lysis
Metoprolol
- selective beta1 antagonist
- causes decreased HR and contractility
Lorazepam
- immediate-acting benzo
- enhances GABAa receptor activation
- decreased activity of neurons of limbic, thalamic, and hypothalamic regions
Amiodarone
- Class III Anti-Arrhythmic Agent
- binds K channels, blocks K flow out of cardiac myocyte
- prolonged phase 3 repolarization and action potential
- prolonged QT interval
Finasteride
- inhibits 5alpha-reductase
- causes decreased conversion of testosterone to dihydrotestosterone, therefore decreases growth of prostate
Levofloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Thalidomide
- decreases TNF-alpha production
alpha-Glucosidase inhibitors
- acarbose, miglitol
- inhibits alpha-glucosidase on brush border of SI.
- causes decreased absorption of postprandial carbohydrates, decreases postprandial glucose levels
Aztreonam
- monocyclic beta-lactam ring binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Zileuton
- inhibits 5-lipooxygenase
- decreases leukotriene A4, B4.
Reserpine
- inhibits neuron’s ability to store NE, DA, and 5-HT
Vancomycin
- binds D-ala D-ala, inhibits transglycosylase causing weak peptidoglycans in cell wall.
Sulfonylureas
- 1st gen: chlorpropamide, tolbutamide, tolazamide
- 2nd gen: glyburide, glipizide
- 3rd gen: glimepiride
- stimulate insulin release, prolong binding of insulin to target tissue receptors, reduce serum glucagon levels.
Tubocurarine
- non-depolarizing NMJ blocker
- acts to competitively bind nicotinic receptors at NMJ.
Dipyridamole
- inhibits uptake of adenosine into platelets and endothelial cells
- this activates adenylate cyclase, increases cAMP, inhibits TXA2.
- causes inhibition of platelet aggregation/thrombus formation. promotes vasodilation
- high doses: inhibits cGMP PDE, increasing cGMP and causing vasodilation
Semustine
- nitrosourea
- alkylating agent
- cross-links DNA to inhibit DNA and RNA synthesis
Butorphanol
- mixed agonist and antagonist at mu receptors
- agonist at kappa receptor
- causes hyperpolarization and decreases neural cell activity
Insulin
- decreases blood glucose by:
- decreasing hepatic gluconeogenesis, induces glycogen synthesis, increases glucose uptake into cells
- inhibits lipolysis
- stimulates AA uptake into cells
- increases K uptake into cells
Cyclosporine
- binds cytophilin in T cell, inhibits calcineurin
- decreases IL-2 production
- decreases T cell activation
Propafenone
- Class IC Anti-Arrhythmic Agent
- binds Na channels, blocks flow of Na into cardiac myocyte
- prolongs phase 0 depolarization
Dicloxacillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Sparfloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Cefdinir
- 3rd gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Typical Antipsychotics
- high potency: haloperidol, fluphenazine
- low potency: chlorpromazine, thioridazine
- block postsynaptic DA D2 receptors
Naltrexone
- opioid receptor antagonist for overdose
Nizatidine
- H2 receptor blocker
- reversibly blocks binding of histamine to H2 receptor
- decreased activity of H/K proton pump
- decreases gastric acid secretion
Norfloxacin
- fluoroquinolone
- inhibits bacterial DNA topoisomerase II, breaks DNA
Niacin
- aka Vit B3
- decreases lipolysis in adipose tissue
- inhibits apolipoprotein A-1 breakdown, increasing HDL levels
Piperacillin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Sotalol
- Class III Anti-Arrhythmic Agent
- binds K channels, blocks K flow out of cardiac myocyte
- prolonged phase 3 repolarization and action potential
- prolonged QT interval
- potent beta-blocking activity
Zidovudine
- nucleoside reverse transcriptase (NRT) inhibitor
- inhibits HIV reverse transcriptase.
- competes with nucleoside triphosphates to be added to viral DNA
TCA
- 1st gen: desipramine, nortriptyline, imipramine, amitriptyline, doxepin
- 2nd gen: amoxapine, trazodone, bupropion
- blocks reuptake of NE and 5-HT
Acarbose
- alpha-glucosidase inhibitor
- inhibits alpha-glucosidase on brush border of SI.
- causes decreased absorption of postprandial carbohydrates, decreases postprandial glucose levels
Ethosuximide
- unknown mechanism.
- decrease Ca currents across neuronal cells, inhibits GABA metabolism.
Bethanechol
- M2 M3 agonist
- via M3 get bladder contraction and bladder sphincter relaxation, promotes urination
Mifepristone
- competitive receptor antagonist at progesterone receptor
- for abortion
Magnesium Hydroxide
- antacid
- weak bases that reduce acidity of gastric contents
Penciclovir
- phosphorylated by viral thymidine kinase into analogue of dGTP
- inhibits DNA synthesis
Physostigmine
- reversible AChEI
- for atropine poisoning and glaucoma
Sulfasalazine
- metabolized into sulfapyridine and 5-ASA.
- 5-ASA is anti-inflammatory by inhibiting prostaglandin and leukotriene production, inhibits COX.
- scavenges oxygen radicals
Vincristine
- binds tubulin
- causes depolarization of mitotic spindle
- can’t pass metaphase
Clopidogrel
- irreversibly inhibits binding of ADP to platelet P2Y12 receptor
- blocks ADP-mediated platelet aggregation
Losartan
- ARB
- blocks angiotensin II at AT1 receptor
- decreases peripheral vascular resistance and decreases effective circulating volume of fluid
MAOIs
- tranycypromine
- phenelzine
- isocarboxazid
- inhibits MAO causing increased 5-HT, DA, NE
Thioridazine
- low potency typical antipsychotic
- blocks postsynaptic D2 receptors
Sitagliptin
- DPP-4 inhibitor
- inhibits DPP-4.
- increases GLP-1 levels, causing increased insulin secretion and decreased glucagon secretion
Methimazole
- inhibits thyroid peroxidase
- inhibits thyroid hormone synthesis
- inhibits conversion of T4 to T3
Homatropine
- analog of atropine
- produces mydriasis
Levodopa
- converted to DA in brain by DOPA-decarboxylase
Opioids
- morphine
- codeine
- oxycodone
- hydrocodone
- hydromorphone
- heroin
- meperidine
- fentanyl
- dextromethorphan
- bind opioid receptors, hyperpolarize and decrease activity of neural cells
Escitalopram
- SSRI
- prevents reuptake of 5-HT
Scopolamine
- competitive M1 M2 M3 antagonist
- via M1 prevents motion sickness
- via M3 decreases GI motility, cycloplegia
Epinephrine
- alpha agonist at high doses
- beta agonist at low doses ⇒ vasoconstriction, increased systolic and diastolic BP, increased HR and contractility.
- beta2 causes bronchodilation and mild decrease diastolic BP.
Mirtazapine
- heterocyclic antidepressant
- inhibits activation of alpha2 receptors and 5-HT2 receptors, causes increased released of NE and 5-HT
Ivermectin
- activates GABA receptors, causes worm paralysis and death.
- use: river blindness (Onchocerca vulvulus)
- side effects: fever, rash, hypotension, arthralgias, vertigo
Valacyclovir
- phosphorylated by viral thymidine kinase into analogue of dGTP
- inhibits DNA synthesis
Succinylcholine
- depolarizing neuromuscular blocker
- competes with ACh to reversibly bind nicotinic receptors.
Vasopressin
- natural hormone
- V1 receptor causes vasoconstriction
- V2 increases permeability to water in collecting ducts
- V3 increases factor VIII activity
Sevoflurane
- general inhaled anesthetic
- directly activates GABAa receptors
Anthracyclines
- doxorubicin
- daunorubicin
- idarubicin
Fluconazole
- inhibits formation of ergosterol by inhibiting fungal CYP450s.
Zoledronate
- bisphosphonate
- decreases osteoclastic bone reabsorption by inhibiting osteoclastic activity and increasing oscteoclastic cellular death
Ezetimibe
- decreases absorption of cholesterol from SI
- causes decrease in serum LDL
Aminocaproic Acid
- inhibits plasminogen activation, causing inhibition of fibrinolysis
Cephalexin
- 1st gen cephalosporin
- binds PBPs, blocks peptidoglycan cross-linking, inhibits cell wall synthesis
Class IC Antiarrhythmics
- flecainide
- encainide
- propafenone
- binds Na channels, blocks flow of Na into cardiac myocyte
- prolongs phase 0 depolarization
Polymyxins
- polymyxins B and E bind bacterial cell membranes to increase permeability
- for topical skin lesions
Fluoxetine
- SSRI
- prevents reuptake of 5-HT
Aspart
- rapid onset synthetic insulin
- lasts 3-4 hr
Busulfan
- alkylating agent
- damages DNA by cross-linking DNA strands
Bumetanide
- loop diuretic, sulfonamide
- inhibits coupled Na/K/2Cl transport system in thick ascending loop of Henle
- causes retention of NaCl, K, water in tubular lumen, and loss of water and electrolytes
Nicardipine
- CCB
- block voltage gated L-type Ca channels, inhibits Ca into cells.
- causes peripheral vasodilation and decreases myocardial contractility
Trastuzumab
- monoclonal Ab against HER-2/neu (erb-B2) receptor
Citalopram
- SSRI
- prevents reuptake of 5-HT
Imipramine
- 1st gen TCA
- blocks reuptake of NE and 5-HT
Protamine Sulfate
- inactivates heparin
Linagliptin
- DPP-4 inhibitor
- inhibits DPP-4.
- increases GLP-1 levels, causing increased insulin secretion and decreased glucagon secretion
Nevirapine
- NNRT inhibitor
- binds to HIV reverse transcriptase
Danazol
- synthetic androgen, agonist at androgen and progesterone receptors
- causes decreased LH and FSH
- causes decreased growth of endometrial and breast tissue
Lamotrigine
- blocks fast voltage-activated Na channels at presynaptic neuron
Glargine Insulin
- slow onset (12hr peak)
- long acting (24hr)
Edrophonium
- reversible AChEI
- increases stimulation at Nn and M receptors
Minoxidil
- anti-HTN agent
- dilates arterial smooth muscle
- promotes hair growth
Tetracycline
- protien synthesis inhibitor
- binds 30S, blocks aminoacyl-tRNA from binding to ribosome
Midodrine
- alpha1 agonist
- causes systemic vasoconstriction
Docusate
- stool softener
- emulsified in stool to soften it
Zaleplon
- GABAa receptor agonist
- binds at same place as benzos
- decreased activity of CNS neurons