Pharmacology Flashcards
Hematopoetic growth factor for RBC
Erythropoetin
+epoetin
+ darbopoetin
With anemia due to chronic renal failure
Hematopoetic growth factor (WBC G.CSF)
Filgastrin, pegfilgrastin
Hematopoetic growth factor (WBC GM.CSF)
Sargramostin, molgramostin
Hematopoetic growth( platelet) for chemo therapy induced thrombocytopenia
IL ll
Oprelvekin
Hematopoetic growth( platelet) thrombopoetin analogue
Romiplostin
Eltromopag
Anti platelet drug
Cox inhibitors
Aspirin
Antiplatelet drug PDE inhibitor (phosphodiesterase 3)
Dipyridamol
ADP (P2Y12) Inhibitor
Reversible= TICAGRELOR, CANGRELOR
Irreversible= TICLOPIDINE, CLOPIDOGREL, PRASUGREL
Gp llb/llla inhibitor
ABCIXIMAB, TIROFIBAN, EPTIFIBATIDE
PAR1 Aantagonist
ETOPAXAR, VORAPAXER
Adverse effect of Ticlopidine
Severe neutropenia, thrombocytopenia
Which haematopoietic growth factor “peptibodies”
ROMIPLOSTIM
Oral anticoagulants
Vitamin K antagonist
Factor XA antagonist
Direct thrombin inhibitor
Vitamin K antagonist
Warfarin
Dicumarol
Phenidione
F-XA Antagonist
RIVAROXABAN
APIXABAN
Direct thrombin inhibitor better
XIMELAGATRAN
DABIGATRAN
ETEXILATE
Parenteral anticoagulant
Hirudin
Lepirudin
Bivalurudin
Indirect thrombin inhibitor ( parental anticoagulants)
Unfractionated heparin
Low molecular weight heparin
IDRAPARINUX, FONDAPARINUX
Mechanism of action of warfarin
Warfarin blocks VKOR that is vitamin kepoxide reductase
Factor seven of clotting factor has half life of
Six hours
Half life of fact or ll of clotting factor
60 hours
internationalise normalised ratio is
Prothrombin time of patient / prothrombin time of reference
Is heparin safe in pregnancy
Yes.it doesn’t cross the placenta
Drug of choice in heparin overdose
PROTAMINE SULFATE
Haemorrhage occurring secondary to heparin therapy is treated by
Whole blood
Antibiotic that decreases ferrous absorption is
Tetracycline
Iron preparation that can be given i.v.
Iron dextran
Hydroxy Ethyl starch is a
Plasma expander
Drug of choice in iron deficiency anaemia
Ferrous sulphate
Drug of choice in anaemia due to chronic kidney disease
Erythropoetin
Drug of choice in acute iron poisoning
DESFERROXAMINE
Drug of choice in chronic Iron poisoning
DEFERPIRONE
Drug of choice in DVT for prophylaxis
Warfarin
Drug of choice in DVT for initial therapy
Warfarin and low molecular weight heparin
Drug of choice in pulmonary embolism
Low molecular weight heparin
Drug of choice in myocardial infarction
Aspirin for prophylaxis
Thrombolytic for acute STEMI
Rapidly acting insulin
Lispro
Apart
Glulisin
Short acting insulin
Regular insulin
Semi lente
Intermediate acting insulin
NPH
Isophane
Lente
Long acting Insulin
Ultra Lente
Glargine
Degludec
Detimir
Glucagon like peptide
Exenatide
Livaglutide
Sulfonyl ureas 1st generation
Chlorpropamide
Tolbutamide
Sulfonyl ureas 2nd generation
Glibenclamide
Glicazide
Glipizide
Meglitinides
Repaglinide
NateGlinide
Biguanides
Metformin
Function an adverse affect of metformin
It activates Adenosine mono phosphate kinase
A/E Lactic acidosis
Megaloblastic anaemia
Thiazoledinediones
Pioglitazone
Rosiglitazone
Alpha glucosidase inhibitors
Acarbose
Miglitol
D2 agonist
Bromocriptine
DPP4 inhibitors ( dipeptidyl peptidase)
Sitagliptin
vildagliptin
Saxagliptin
SGLT 2 inhibitors
Dapagliflozin
Canagliflozin
Mechanism of action of Metformin
Activates AMPK (adenosin mono phosphate kinase)
Induces glycolysis
Gluconeogenesis decrease
Decreased glycogenolysis
Adverse effect of metformin
Lactic acidosis
Megaloblastic aneamia
Mechanism of action of Thiozolidinediones
Activates receptor PPAR Gamma
(Peroxisomes proliferator activated receptor gamma)
Increases cholesterol levels( rosigitazone)
Alpha glucosidase inhibitors mechanism of action
Inhibits conversion of complex carbohydrate to simple carbohydrates.
Absorption is inhibited
Adverse effect : flatulence
D2 agonist mechanism of action
Alters insulin resistance
DPP4 Inhibitors mechanism of action
Inhibit breakdown of GLP
SGLT 2 inhibitors mechanism of action
Inhibits glucose absorption
A/E increased UTI
Treatment for acute gout
- NSAIDS
- Steroid
- Colchicine (most rapidly acting), (A/E : Diarrhoea, renal impairment)
Treatment for chronic gout
Allopurinol (purine)
Febuxostat( non purine)
Drugs that increase excretion of uric acid
Probenecid
Sulfinpyrazone
Benzbromarone
Lesinurad
Drugs that increase metabolism of uric acid
Rasburicase
Pegloticase
Treatment of parkinsonism
- Dopa decarboxylase: carbidopa, benserazide
- MAO-B inhibitors: selegeline, rasagiline
- COMT inhibitors: Entacapone, Tolcapone
Drugs acting on receptors of dopamine for Parkinsonism
Ergot derivative: Bromocriptine, pergolide ( stopped because causes gangrene and digital spasm)
Non ergot derivative: pramipexole, Ropimirole
Antitusives
- Opioid: codiene, pholcodiene
- Non opioid: Noscapine, Dextromethorphan
- Peripheral acting: prenoxdiazine
Expectorant
Guafenesin
KI
Mucolytics
Ambroxol
Bromohexine
Drugs for bronchial asthma
Anti IgE: Omalizumab
Mast cell stabilisers: Na chromoglycate, nedocromil, ketotifen
LT receptor antagonist: Montelukast, Zafirlukast
5- LOX pathway blocker
Zileuton
Bronchodilator (Beta agonist)
- Short acting: Salbutamol, Terbutaline
2. Long acting: Salmeterol, Formetrol
Bronchodilator ( anti cholinergic)
Ipratropium
Tiatropium
Bronchodilator ( Methylxanthine)
Caffeine
Theophylin
Amylophylin
Theobromin
Bronchodilator ( Beta agonist A/E)
Hyperglycaemia Hypokalaemia Muscle tremors Palpitations Tolerance
Drugs of choice for Asthma
Acute: salbutamol
Prophylactic: corticosteroids
Drugs for status asthmaticus
- Hydrocortisone hemisuccinate 100mg iv stat followed by 100-200mg 4-8hourly infusion
- Nebulised salbutamol + Ipratropium bromide
- High flow humidified oxygen inhalation
Mepolizumab Reslizumab
Against IL-5
Inhaled corticosteroids
Beclomethasone
Budesonide
Cyclesonide( soft steroid)
Systemic antacids
Na bicarbonate
Local antacids
Gelosel/ Digene ( Al and Mg salts)
Simethicone ( Antifoaming agent)
Drugs that decrease acid secretion
PPI
H2 blocker
Anticholinergic
Competitive K+ blocker
PPI
Omeprazole
Pantoprazole
Rabeprazole
Lansopeazole
PPI are substrate of
CYP2C19
CYP3A4 EXCEPT RABEPRAZOLE
Active moiety of PPI
Sulfenamide(acts for 24to 48hours)
Adverse effects of PPI
Decrease B12 absorption
Decrease Ca2+absorption
Can cause pnuemonia
Increases amount of Cl. Difficile bacteria
Fastest acting PPI
Rabeprazole
Most potent PPI
Lanoprazole
H2 receptor blocker
Cimetidine
Famotidine (most potent)
Adverse effects of cimetidine
Can cross BBB
Inhibit metabolism of ESTRADIOL & LACTOSE
Can cause impotence
Anticholinergic for increased acid secretion
M1 receptor blocker- Pirenzepine, Telenzepine
Competetive K+ blocker
Vonoprazan
Revaparazan
Prostaglandins as anti ulcer drugs
Misoprostol (PGE1 analogue for NSAIDS INDUCED PEPTIC ULCER7
Emprostil
Rioprostil
Ulcer protective drugs
Sucralfate (Active at ph 4)
Colloidal bismuth subcitrate (CBS)
Adverse effect of CBS
Black tongue
Bismuth toxicity causing encephalopathy
Ulcer healing drugs
Carbenoloxone
Adverse effects of carbenoloxone
It displaces aldosterone from proton binding site:
Hypertension
Na & water retention
Hypokalaemia
Anti helicobactor pylori drugs
C: clarithromycin 500mg
A: amoxicillin 1000mg or METRONIDAZOLE 500mg
P:PPI (LANSOPRAZOLE) 30mg
BD for 14days
5HT3 Antagonist for anti emetic
Ondasetrone
Palanosetrone
Granicetrone
Anti histaminic H1 for antiemetic
Promethazine
Diphenhydramine
Doxylamine (in morning sickness)
Meclozine (sea sickness)
D2 antagonist for antiemtic
Chlorpromazine
Triflupromazine
NK1 receptor antagonist for antiemetic
Aprepitant
Forapprepitant
Cannabinoid receptor antagonist
Dronabinol
Muscarinic receptor anatagonist for antiemetic
Hyosine (scopalamine) for motion sickness
Dicyclomine
Prokinetic drugs
Act on 5HT4 receptor through Ach.
- Metoclopramide
- Domperidone
- Cisapride
- Mosapride
DOC for motion sickness
Hyosine
Promethazine
Drug of choice for morning sickness
Doxylamine + vit B6
Radiation (CINV)
5HT3 Antagonist
Severe vomiting with cisplatin
Aprepitant if after 2-3 days
5HT3Antagonist for immediate vomiting
Drug for post operative
5HT3 Antagonist
For GERD
Metoclopramide
Adverse effects of metoclopramide
Muscular dystonia
Galactorhoea
For ulcerative colitis
5ASA derivative (sulfasalazine)
Hepatic encephalopathy ( too much NH3 production)
Lactulose (decreases NH3 production)
Peptic ulcer drug of choice
PPI
H. Pylori drug of choice
CAP
ZES drug of choice
PPI
GERD drug of choice
PPI
Levadopa induced vomiting
Domperidone
Migraine associated vomiting
Meoclopramide
Drug or disease associated vomiting
Metocloparmide
Chronic use of laxative can cause
Hypokalaemia
High efficacy diuretics. (They block Na/K/Cl pump in ALH)
Furesamide
Bumitanide
Toresamide
Medium efficacy diuretics ( They block Na/Cl pump in early distal tubule)
- Thiazide: hydrocholothiazide, Benzthiazide
2. Thiazide like: Chlorthilodone, Xipamide, Indapamide, Metolazone
Weak diuretics
- Carbonic anhydrase inhibitors
- K+ sparing
- Osmotic diuretics
Carbonic anhydrase inhibitor
Acetazolamide
K+ sparing
Aldosterone antagonist: Spironoactone, Epleronone
Renal epithelial Na channel: Amiloride, Triamterene
Osmotic diuretic
Mannitol
Glycerol
Isosorbide
ACE Inhibitors
Captopril
Enalapril
Lisinopril
Angiotensin receptor blocker
Losartan
Candisartan
Valsartan
Alpha blocker for hypertension
Prazosin
Terazosin
Alpha + Beta blocker for hypertension
Labetalol
Carvedilol
Ca2+ channel blocker
Verapamil
Nifidipine
Diazepam
Central sympatholytics
Chlonidine
Methyldopa
Vasodilator dor hypertension
Arteriolar: Hydralazine, Minoxidil, Diazoxide
Arteriolar and venous: Na nitropruside
Anti anginal drugs
Nitrates Beta blockers Ca2+ channel blocker K+ channel opener pFOX Inhibitors (partial fatty acid oxidation-inhibitor) Na+ channel blocker
Nitrates
Short acting: GTN
Long acting: isosorbide dinitrate,isosorbide mononitrate
K+ channel opener
Nicorandil
pFOX inhibitor ( partial fatty acid oxidation inhibitor
Trimetazidine
Na+ channel blocker for anti angina drug
Ramolazine
Ivabradine (bradycardic drug)
Anti arrhythmic drugs
Class 1: Na channel blocker
Class 2: Beta blocker
Class 3: K+ channel blocker (WIDEN THE ACTION POTENTIAL)
Class 4: Ca2+ channel blocker
Class 5: Miscellaneous = ADENOSIN, Mg, DIGOXINE
Class 1 drug
1a = moderate decrease in 0 phase eg. Quinidine, procainamide 1b = little decrease in the 0 phase eg. Lidocaine, Mexilitine 1c = marked decrease in 0 phase eg. propafenone, Flicanide, Encanide
Class 3 anti arrhythmic drugs (BInDAS)
Bretylium Ibutilide Dofetilide Amiodarone Sotalol
Mechanism of action of DIGOXIN
Digitalis blocks Na+/K+ ATPase.
Gp41 inhibitor
Enfuvirtide
CCR5 inhibitor
Maraviroc
Reverse transcriptase inhibitor (NRTI nucleoside)
Zidovudine Stavudine Lamivudine Zalcitabine Didanosine Abacavir Emtricitabine
Reverse transcriptase inhibitors (NRTI NUCLEOTIDE)
Tenofovir
NNRTI
Efavirenz
Neviripine
Etravirine
Integrase inhibitor
Raltagravir
Elvitagravir
Dolutigravir
Protease inhi
Saquinavir
Ritonavir
Nelfinavir
Indinavir
Anti retroviral therapy
2NRTI + 1NNRTI
All anti tubercular drugs are bactericidal except
Ethambutol
Isoniazid blocks the enzyme
Ketoenolreductase( responsible for mycolic acid production)
Isoniazid is activated by catalase peroxidase
Adverse effects of Isoniazid
- Peripheral neuritis( treatment is pyridoxin 10mg/day)
If patient has already developed peripheral neuritis 100mg/day - Hepatotoxicity
- Acts on extracellular and intracellular bacilli
Mechanism of action of RIFAMPIN
Blocks the enzyme DNA dependent RNA polymerase
- Goes enterohepatic circulation therefore can be given to renal patients
- Least toxic among all
- best for bacteria in caseous necrosis
- acts on both intracellular and extra cellular bacs.
Pyrazinamide acts against
Intracellular bacterias
Mechanism of action of PYRAZINAMIDE
Blocks the formation of mycolic acid.
- most active in areas of inflammation or when pH is low
- used for 1st 2 or 3 months of therapy
Mechanism of action of ETHAMBULTOL
Blocks ARABINOCYL TRANSFERASES
Adverse effect of ethambutol
Optic neuritis( avoided in children below 5years)
Ethambutol active against
Intracellualr and extracellular bacteria
Streptomycin against
Extracellular bacteria,
It’s injectable
It’s NOT hepatotoxic
Class 1 TB drugs
First line oral TB drugs, anti TB
Class2 TB drugs
Injectable. Amikacin
Streptokinase
Kanamycin
Class 3 TB drugs
Fluroquinolones. Eg.
Levofloxacin
Moxifloxacin
Class 4 TB drugs
Oral bacteriostatic, more adverse effects eg.
PAS
Cycloserine
Ethionamide
Class 5 TB drugs
Uncertain efficacy eg. Augmentin, clarithromycin
Regime for TB
Category 1: 2HRZE + 4HR
Category 2 : 2HRZES + 1HRZE
Anti leprotic drug
DAPSONE
Rifampin
Clofazimine
Adverse effect of death Dapsone
Gastrointestinal limitation
hemolysis in G6PD deficiency patient
Adverse effect of Clofazimine
Pigmentation of skin and GI irritation
Mechanism of action of clofazimine
It interferes with Template function of DNA
Regime of multi bacillary leprosy MBL
Rifampin 600 MG once a month supervised
Clofazimine 300mg once a month supervised And 50 MG OD
Dapsone 100mg OD.
all for 12 months
Pauci bacillary leprosy PBL
Rifampin 600 mg once a month Supervised
Dapsone 100mg OD
all for 6 months
Drugs acting on cell walls Of fungus
Caspofungin
Nikkomycin
Drugs acting on cell membrane
Polyenes: Amphitericin B, Nystatin
Azoles:
1. Triazoles= FLUCONAZOLE, ITRACONAZOLE, VAROCONAZOLE
2. Imidazoles= .ketoconazoles, miconazole, clotrimazole
Terbinafen
Drugs on microtubules (anti fungal)
Griseofulvin
Drugs that act on nucleic acid (anti-fungal)
5 – FLUCYTOSINE
5-flucytosine DOC For
Candidiasis
Cryptococcosis
Coccidiomycosis
Itraconazole used in
Blastomycosis
Histoplasmosis
Sporotricosis
Which drug has the widest spectrum among azoles
Variconazole for invasive aspergillosis
Drug for causal prophylaxis
Praguanil
Pyrimethamine
Primaquine
Drug for erythrocytic shizogony
Chloroquin
Quinine
Mepacrine
Artimesimin derivative
Drug for radical cure
Primaquin
Drugs for gametocyte ( transmission phase)
Chloroquin
Quinine
Mepacrine
Treatment of uncoplicated Malaria
Chloroquine + Primaquine
Drug for P falciparum, P malariae
Artemesinin derivative + primaquine