Learn Pharmacology
Discover high-yield pharmacology facts, mnemonics, and interactive learning content for every drug class.
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Explore drugs organized by clinical topics and therapeutic areas
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Valsartan
Valsartan
Use:
Hypertension, heart failure, post-MI
Mechanism:
Selective AT1 receptor antagonist
Varenicline
Varenicline
Use:
Smoking cessation
Mechanism:
Partial agonist at α4β2 nicotinic receptors, reduces cravings and blocks rewarding effects of nicotine
Venlafaxine
Venlafaxine Hydrochloride
Use:
Depression, anxiety disorders, panic disorder, social phobia
Mechanism:
Inhibits serotonin and norepinephrine reuptake; weak dopamine reuptake inhibitor
Valproic Acid
Valproic Acid
Use:
Seizure disorders, bipolar disorder, migraine prophylaxis
Mechanism:
Increases GABA levels, modulates voltage-gated sodium channels
Vancomycin
Vancomycin
Use:
MRSA infections, C. difficile (oral), serious Gram-positive infections
Mechanism:
Inhibits bacterial cell wall synthesis by binding to D-Ala-D-Ala terminus
Vasopressin
Vasopressin
Use:
Vasodilatory shock, cardiac arrest, GI bleeding
Mechanism:
V1 receptor agonist causing vasoconstriction; V2 receptor agonist causing water retention
Vecuronium
Vecuronium
Use:
Facilitation of mechanical ventilation, surgical muscle relaxation
Mechanism:
Non-depolarizing neuromuscular blocker: competitively blocks nicotinic acetylcholine receptors
Vedolizumab
Vedolizumab
Use:
Ulcerative colitis, Crohn's disease
Mechanism:
Blocks α4β7 integrin, preventing lymphocyte migration to GI tract (gut-selective)
Verapamil
Verapamil Hydrochloride
Use:
Hypertension, angina, supraventricular arrhythmias, migraine prophylaxis
Mechanism:
Non-dihydropyridine CCB; inhibits calcium influx in cardiac and smooth muscle
Vincristine
Vincristine
Use:
Leukemias, lymphomas, neuroblastoma, Wilms tumor
Mechanism:
Binds tubulin, preventing microtubule formation, arresting mitosis
Voriconazole
Voriconazole
Use:
Invasive aspergillosis, candidemia, other invasive fungal infections
Mechanism:
Inhibits fungal CYP450 enzyme 14-alpha-demethylase, disrupts ergosterol synthesis
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