Drugs - Mechanisms II Flashcards
methylcellulose
bulk forming laxative
Desvenlafaxine
SNRI
Tiagabine
GABA reuptake inhibitor
magnesium compounds
osmotic laxatives
Gabapentin
inhibits high voltage activate Ca channels
Ketoconazole
inhibits 17-alpha hydroxylase –> decreased steroids
Imipramine
TCA –> SNRI
-azine
1st gen antipsychotics
chlorpheniramine
1st gen H1 blocker
Entacapone and tolcapone
inhibits COMT –> reduced peripheral L-DOPA degradation
Anastrozole
Aromatase inhibitor
sucralfate
binds to peptic ulcer base –> protects –> bicarb secretion reestablishes pH
Sevelamer
non-absorbable phosphate binder
Riluzolone
decreased glutamate excitotocity in ALS
doxylamine
1st gen H1 blocker
Bromocriptine
Ergot dopamine agonist
Levetiracetam
SV2A receptor blocker
Procarbazine
mechanism unknown, weak MAO inhibitor
Selegiline
Selective MAO-B inhibitor
Liraglutide
(GLP-1 analog) decrease glucagon release, decrease gastric emptying, and increase glucose dependent insulin release
Methimazole
thionamide, blocks thyroid peroxidase (teratogenic)
-raf-enib
BRAF
Conivaptan
ADH antaogonist
Afitinib
EGFR inhibitor
Acarbose
alpha-glucosidase inhibitor in brush border –> decreased absoprtion –> decreased postprandial hyperglycemia
Ketamine
NMDA antagonist
Fluoxetine
SSRI
Megestrol
Progestin
Succinylcholine
strong ACh receptor agonist –> sustained depolarization –> prevents contraction
benzodiazapenes
increase GABAa activity
Probenecid
Inhibits uric acid reabsorption in the PCT and inhibits secretion of penicillin
Sulfasalazine
combo antibacterial and anti-inflammatory (used for crohns and colitis)
Etoposide, teniposide
topoisomerase II inhibitors –> DNA degradation
SGLT2 inhibitors (-gliflozins)
block reabsorption of glucose in PCT
Finasteride
5-alpha reductase inhibitor –> decreased conversion of testosterone to DHT
Baclofen
GABAb agonist in spinal cord –> decreased spasticity
Allopurinol
xanthine oxidase inhibitor
Dabigatran
Direct factor IIa inhibitor
Carbadopa
inhibits DOPA decarboxylase –> reduced peripheral L-DOPA degradation
Levomilnacipran
SNRI
Cation exchange resins (e.g. patiromer)
bind K in colon
Argatroban
Direct factor IIa inhibitor
Venlafaxine
SNRI
Arepitant
Substance Pantagonist, blocks NK1 receptors in brain –> antiemetic
Odansetron
5-HT3 antagonist –> decreased vagal stimulation –> antiemetic
Vilazodone
Atypical antidepressant; inhibits 5-HT reuptake
Phenobarbital
increases GABAa activity
Mifepristone
anti-progestin
Selegiline and rasagiline
MAO-B inhibitor –> prevents dopamine degradation
Acetazolamide
Carbonic anhydrase inhibitor –> bicarb diuresis and alkaline urine
Sertlraline
SSRI
Metoclopramide
D2 receptor antagonist –> increased resting tone and contractility –> promotes motility and gastric emptying
Propofol
potentiates GABAa
Escitalopram
SSRI
Bisacodyl
enteric nerve stimulation –> laxative
Senna
enteric nerve stimulation –> laxative
Cyclobenzaprine
Acts mainly in brain stem to reduce spasticity
Abiraterone
inhibits 17-alpha hydroxylase –> decreased steroids
Vigabatrin
inhibits GABA transaminase –> increased GABA (black box for vision loss
Histrelin
GnRH analog (agonist when pulsatile, inhibitory when continuous)
Amoxapine
TCA –> SNRI
Nafarelin
GnRH analog (agonist when pulsatile, inhibitory when continuous)
Danazol
synthetic androgen –> partial agonist
polyethylene glycol
osmotic laxative
-curonium
competetive ACh antagonists
Torsemide
loop diuretic; inhibits Na/K/2Cl cotransporter in TAL (also Ca loss)
Alectinib
ALK inhibitor
Prasugrel
Blocks ADP receptor –> decreased expression of GpIIb/IIIa –> decreased platelet aggregation
Busulfan
alkylating agent –> cross-links DNA
Fludrocortisone
aldosterone analog with glucocorticoid effects
Teriparatide
PTH analog; pulsatile dose activates osteoblasts (used in osteoporososis)
Ruxolitinib
JAK1/2 inhibitor
Letrozole
Aromatase inhibitor
Erlotinib
EGFR inhibitor
Midazolam
facilitates GABAa (benzodiazapine)
Clomiphene
Estrogen receptor modulator; antagonist in hypothalamus –> blocks negative feedback –> increased LH and FSH –> ovulation
Butorphanol
kappa-opioid agonist and partial mu
Bisphosphonates (-dronate)
pyrophosphate analogs –> bind hydroxyapatite –> inhibit osteoclasts
GLP-1 analogs
decrease glucagon release, decrease gastric emptying, and increase glucose dependent insulin release
Carbamazapine
blocks Na channels (anti-epileptic)