Drug Classes
Browse prescription medications organized by drug class. Each class groups drugs that share a common mechanism of action.
5-Alpha Reductase Inhibitors
Medications that inhibit the conversion of testosterone to dihydrotestosterone (DHT), used for benign prostatic hyperpla...
2 drugs5-HT3 Receptor Antagonists (Antiemetics)
Serotonin 5-HT3 receptor antagonists are among the most effective antiemetic agents available, primarily used for preven...
1 drugACE Inhibitors
Blood pressure medications that block angiotensin-converting enzyme.
2 drugsAldosterone Antagonists (Potassium-Sparing Diuretics)
Aldosterone antagonists competitively block mineralocorticoid receptors in the distal nephron, promoting sodium and wate...
1 drugAlpha-1 Adrenergic Blockers
Selective alpha-1 adrenergic receptor antagonists used primarily for the treatment of benign prostatic hyperplasia (BPH)...
1 drugAlpha-Beta Blockers
Alpha-beta blockers are a class of medications that block both alpha-1 and beta adrenergic receptors. By blocking alpha-...
1 drugAngiotensin II Receptor Blockers (ARBs)
Blood pressure medications that block angiotensin II receptors.
4 drugsAnti-Gout Agents
Medications specifically used for the treatment and prevention of acute gout flares. Colchicine, the primary agent in th...
1 drugAnticonvulsants (Antiepileptic Drugs)
Anticonvulsants are a diverse class of medications primarily used to treat epilepsy and seizure disorders. Many are also...
4 drugsAntihistamines (Anxiolytic)
Certain first-generation antihistamines, particularly hydroxyzine, are used for their anxiolytic and sedative properties...
1 drugAntihistamines, Second-Generation
Second-generation antihistamines selectively block peripheral H1 histamine receptors with minimal CNS penetration, produ...
1 drugAntimetabolites / Disease-Modifying Antirheumatic Drugs (DMARDs)
Antimetabolites are drugs that interfere with normal metabolic processes, particularly nucleic acid synthesis. Methotrex...
1 drugAntimuscarinics (Overactive Bladder)
Medications that block muscarinic (acetylcholine) receptors in the detrusor muscle of the bladder, reducing involuntary ...
1 drugAntiplatelet Agents
Antiplatelet agents prevent blood clots by inhibiting platelet aggregation. They are widely used to reduce the risk of h...
1 drugAntiviral Agents (Herpesvirus)
Antiviral medications specifically targeting herpesviruses (HSV-1, HSV-2, VZV). These nucleoside analogues are used to t...
1 drugAtypical Antipsychotics (Second-Generation)
Atypical (second-generation) antipsychotics are medications used to treat schizophrenia, bipolar disorder, and as adjunc...
3 drugsAtypical Opioid Analgesics
Atypical opioid analgesics provide analgesia through a combination of weak opioid receptor agonism and monoamine reuptak...
1 drugAzapirones
Azapirones are a class of anxiolytic medications that act as partial agonists at serotonin 5-HT1A receptors. Buspirone i...
1 drugBenzodiazepines
Anti-anxiety and sedative medications that enhance GABA activity.
4 drugsBeta-2 Adrenergic Agonists
Beta-2 adrenergic agonists are bronchodilators that relax airway smooth muscle, making it easier to breathe. They are a ...
2 drugsBeta-Blockers
Medications that block the effects of adrenaline on beta-adrenergic receptors.
3 drugsBiguanides
Biguanides are oral antidiabetic agents that lower blood glucose primarily by reducing hepatic glucose production. Metfo...
1 drugBisphosphonates
Medications that bind to bone mineral surfaces and inhibit osteoclast-mediated bone resorption. Bisphosphonates are the ...
1 drugCalcium Channel Blockers
Blood pressure medications that relax blood vessels by blocking calcium channels.
4 drugsCardiac Glycosides
Cardiac glycosides are a class of medications derived from the foxglove plant (Digitalis) that strengthen heart contract...
1 drugCentral Alpha-2 Agonists
Central alpha-2 agonists are antihypertensive medications that work in the brain to reduce sympathetic nervous system ou...
1 drugCephalosporin Antibiotics
Beta-lactam antibiotics structurally and pharmacologically related to penicillins. Cephalosporins are classified into fi...
1 drugCholesterol Absorption Inhibitors
Medications that work in the small intestine to block the absorption of dietary and biliary cholesterol. Unlike statins,...
1 drugCNS Stimulants
Central nervous system stimulants increase activity in the brain by enhancing the effects of dopamine and norepinephrine...
3 drugsCorticosteroids
Anti-inflammatory and immunosuppressive hormones.
3 drugsCOX-2 Selective Inhibitors
A subclass of nonsteroidal anti-inflammatory drugs (NSAIDs) designed to selectively inhibit cyclooxygenase-2 (COX-2) whi...
1 drugDietary Supplements
Dietary supplements include vitamins, minerals, amino acids, and other substances taken to supplement the diet. Melatoni...
1 drugDirect Oral Anticoagulants (DOACs)
Blood thinners that directly inhibit specific clotting factors.
2 drugsDisease-Modifying Antirheumatic Drugs (conventional DMARDs)
Conventional DMARDs are a group of medications that slow or stop the progression of autoimmune and inflammatory diseases...
1 drugDual GIP/GLP-1 Receptor Agonists
Dual GIP/GLP-1 receptor agonists activate two incretin hormone receptors at once — glucose-dependent insulinotropic poly...
3 drugsEugeroics (Wakefulness-Promoting Agents)
Medications that promote wakefulness and alertness. Unlike traditional stimulants, eugeroics have a more targeted mechan...
1 drugFluoroquinolone Antibiotics
Broad-spectrum synthetic antibiotics used to treat a variety of bacterial infections including urinary tract infections,...
1 drugGabapentinoids
Medications for nerve pain and seizures.
2 drugsGLP-1 Receptor Agonists
Medications that mimic the GLP-1 hormone to regulate blood sugar and appetite.
7 drugsH2 Receptor Antagonists
H2 receptor antagonists reduce stomach acid production by blocking histamine H2 receptors on parietal cells. They are us...
1 drugInsulins
Hormone replacement for diabetes management.
2 drugsIntranasal Corticosteroids
Intranasal corticosteroids are anti-inflammatory nasal sprays used to treat allergic rhinitis, nasal polyps, and other n...
1 drugLeukotriene Receptor Antagonists
Asthma and allergy medications.
1 drugLincosamide Antibiotics
Lincosamides are antibiotics that include clindamycin and lincomycin. Clindamycin is particularly valued for its excelle...
1 drugLipase Inhibitors
Medications that inhibit gastric and pancreatic lipases in the gastrointestinal tract, preventing the digestion and abso...
1 drugLong-Acting Muscarinic Antagonists (LAMAs)
Inhaled bronchodilators that block muscarinic receptors in airway smooth muscle, providing sustained bronchodilation for...
1 drugLoop Diuretics
Loop diuretics are the most potent class of diuretics, producing rapid and pronounced natriuresis and diuresis. Furosemi...
1 drugLow Molecular Weight Heparins
Low molecular weight heparins (LMWHs) are injectable anticoagulants derived from unfractionated heparin through chemical...
1 drugMacrolide Antibiotics
Macrolide antibiotics are broad-spectrum drugs used to treat respiratory infections, skin infections, and sexually trans...
1 drugMood Stabilizers
Mood stabilizers are a class of medications primarily used to treat bipolar disorder. They help control the extreme mood...
1 drugNeuraminidase Inhibitors
Antiviral medications that work by blocking the neuraminidase enzyme on the surface of influenza viruses. This prevents ...
1 drugNitroimidazole Antibiotics
Nitroimidazoles are a class of antimicrobial agents effective against anaerobic bacteria and certain protozoa. Metronida...
1 drugNMDA Receptor Antagonists
Medications that block N-methyl-D-aspartate (NMDA) receptors in the brain, which are involved in glutamate neurotransmis...
1 drugNon-Opioid Analgesics
Non-opioid analgesics relieve pain and reduce fever without acting on opioid receptors. Acetaminophen is the most widely...
1 drugNonsteroidal Anti-Inflammatory Drugs (NSAIDs)
Pain and inflammation medications.
3 drugsNorepinephrine-Dopamine Reuptake Inhibitors (NDRIs)
NDRIs are antidepressants that enhance the activity of norepinephrine and dopamine by blocking their reuptake into presy...
1 drugOpioid Antagonists
Opioid antagonists block opioid receptors in the brain and body. They are used to treat opioid use disorder (OUD) and al...
1 drugOxazolidinone Antibiotics
A class of synthetic antibiotics that inhibit bacterial protein synthesis by binding to the 23S ribosomal RNA of the 50S...
1 drugPartial Opioid Agonists
Partial opioid agonists produce a limited opioid effect — enough to reduce withdrawal symptoms and cravings but with a c...
1 drugPDE5 Inhibitors
Medications for erectile dysfunction that increase blood flow.
2 drugsPenicillin Antibiotics
Penicillin antibiotics are a group of bactericidal drugs that kill bacteria by disrupting cell wall synthesis. They are ...
1 drugProton Pump Inhibitors (PPIs)
Acid-reducing medications for GERD and ulcer treatment.
3 drugsSalicylates
Salicylates are a group of drugs derived from salicylic acid, with aspirin being the most widely known. They have analge...
1 drugSedative-Hypnotics (Non-Benzodiazepine)
Non-benzodiazepine sedative-hypnotics (Z-drugs) are prescription sleep medications that act on GABA receptors similarly ...
1 drugSelective Norepinephrine Reuptake Inhibitors (NRIs)
A class of medications that selectively inhibit the reuptake of norepinephrine in the brain, increasing norepinephrine a...
1 drugSelective Serotonin Reuptake Inhibitors (SSRIs)
Antidepressants that increase serotonin levels in the brain.
5 drugsSerotonin Modulators
Serotonin modulators affect serotonin signaling through multiple mechanisms. Trazodone, the most well-known drug in this...
1 drugSerotonin-Norepinephrine Reuptake Inhibitors (SNRIs)
Antidepressants that increase both serotonin and norepinephrine.
2 drugsSGLT2 Inhibitors
Sodium-glucose cotransporter-2 (SGLT2) inhibitors are a class of oral diabetes medications that lower blood sugar by pre...
3 drugsSkeletal Muscle Relaxants
Skeletal muscle relaxants reduce muscle spasm and associated pain through central or peripheral mechanisms. They are pri...
1 drugStatins (HMG-CoA Reductase Inhibitors)
Cholesterol-lowering medications that reduce cardiovascular risk.
4 drugsSulfonamide Antibiotics
One of the oldest classes of antibiotics, sulfonamides are synthetic antimicrobial agents effective against a broad rang...
1 drugSystemic Retinoids
Systemic retinoids are vitamin A derivatives used to treat severe, recalcitrant nodular acne that has not responded to c...
1 drugTetracyclic Antidepressants (TeCA)
Tetracyclic antidepressants are a class of medications structurally related to tricyclic antidepressants but with a four...
1 drugTetracycline Antibiotics
Tetracyclines are broad-spectrum bacteriostatic antibiotics effective against a wide range of gram-positive and gram-neg...
1 drugThiazide Diuretics
Blood pressure medications that reduce fluid volume.
1 drugThiazolidinediones (TZDs)
Oral antidiabetic medications that improve insulin sensitivity by activating peroxisome proliferator-activated receptor ...
1 drugThyroid Hormones
Replacement hormones for hypothyroidism.
1 drugTricyclic Antidepressants (TCAs)
Tricyclic antidepressants are one of the earliest classes of antidepressants, named for their three-ring chemical struct...
1 drugTriptans
Migraine-specific medications.
2 drugsTyrosine Kinase Inhibitors (TKIs)
Targeted cancer therapies that block specific tyrosine kinase enzymes involved in cancer cell growth and survival. By in...
1 drugVitamin K Antagonists
Vitamin K antagonists are oral anticoagulants that prevent blood clot formation by inhibiting vitamin K-dependent clotti...
1 drugXanthine Oxidase Inhibitors
Medications that lower serum uric acid levels by inhibiting xanthine oxidase, the enzyme responsible for converting hypo...
1 drug