Drug Classes Reference

Browse 309 therapeutic drug classes covering 1056 substances. Each class hub lists all substances iMedic covers, with comparison tables and class-wide context.

Drug classes

5-HT3 receptor antagonist (antiemetic)

5 substances

5-alpha reductase inhibitor

3 substances

ACE inhibitor

5 substances

ALK tyrosine kinase inhibitor

3 substances

AMPA receptor antagonist (antiepileptic)

2 substances

Acetylcholinesterase inhibitor

5 substances

Adrenergic agonist (epinephrine autoinjector)

2 substances

Alginate/antacid combination

2 substances

Alkylating agent (imidazotetrazine)

2 substances

Alkylating agent (nitrogen mustard)

2 substances

Alkylating antineoplastic agent

7 substances

Allylamine antifungal

3 substances

Alpha-1 adrenergic agonist

3 substances

Alpha-1 adrenergic blocker

4 substances

Alpha-2 adrenergic agonist (ophthalmic)

2 substances

Alpha-2 adrenergic agonist (sedative)

4 substances

Aminoglycoside antibiotic

6 substances

Aminopenicillin antibiotic

4 substances

Aminosalicylate (5-ASA)

2 substances

Aminosalicylate / DMARD

2 substances

Amphenicol antibiotic

2 substances

Androgen

5 substances

Androgen biosynthesis inhibitor (CYP17 inhibitor)

3 substances

Androgen receptor inhibitor

3 substances

Angiotensin II receptor blocker (ARB)

10 substances

Angiotensin II receptor blocker + thiazide diuretic combination

4 substances

Anthracycline antineoplastic

3 substances

Anti-CD19 monoclonal antibody

2 substances

Anti-CD20 monoclonal antibody

4 substances

Anti-CD20 monoclonal antibody (rituximab biosimilar)

2 substances

Anti-CD38 monoclonal antibody

2 substances

Anti-D (Rho) immunoglobulin

2 substances

Anti-IL-5 monoclonal antibody

2 substances

Anti-IL-6 monoclonal antibody

2 substances

Anti-PD-1 monoclonal antibody (immune checkpoint inhibitor)

2 substances

Anti-VEGF monoclonal antibody fragment

2 substances

Anti-amyloid monoclonal antibody

2 substances

Antibody-drug conjugate (Trop-2 directed)

2 substances

Anticholinergic (muscarinic antagonist)

3 substances

Anticonvulsant (sodium channel blocker)

2 substances

Antidiarrheal (opioid receptor agonist)

2 substances

Antiemetic / prokinetic (D2 antagonist)

2 substances

Antiepileptic (GABA transaminase inhibitor)

2 substances

Antiepileptic (SV2A ligand)

3 substances

Antiepileptic (SV2A modulator)

2 substances

Antiepileptic (sodium channel blocker)

4 substances

Antiepileptic (sodium channel modulator)

6 substances

Antifibrinolytic

2 substances

Antifibrotic agent

3 substances

Antihistamine (H1 receptor antagonist)

2 substances

Antihypertensive combination (ARB + CCB + thiazide)

2 substances

Antimetabolite (nucleoside analog)

2 substances

Antimetabolite (purine analog)

2 substances

Antimetabolite (pyrimidine analog)

2 substances

Antimetabolite / DMARD

2 substances

Antimuscarinic (urinary antispasmodic)

6 substances

Antimuscarinic / Anticholinergic

2 substances

Antiplatelet (P2Y12 inhibitor)

2 substances

Antiprogestogen (selective progesterone receptor modulator)

2 substances

Antitumor antibiotic (cytotoxic chemotherapy)

2 substances

Antiviral (nucleoside analog)

2 substances

Antiviral (nucleoside analogue)

5 substances

Aromatase inhibitor

2 substances

Aromatase inhibitor (non-steroidal)

2 substances

Atypical antipsychotic

21 substances

BCR-ABL tyrosine kinase inhibitor

7 substances

BRAF kinase inhibitor

3 substances

Benzodiazepine

8 substances

Beta-1 adrenergic agonist (inotrope)

2 substances

Beta-3 adrenergic agonist

3 substances

Beta-blocker (cardioselective)

3 substances

Beta-lactamase resistant penicillin antibiotic

2 substances

Biguanide

2 substances

Bile acid

3 substances

Bile acid sequestrant

2 substances

Bisphosphonate

11 substances

Bisphosphonate (ibandronic acid)

2 substances

Botulinum toxin type A

6 substances

Bradykinin B2 receptor antagonist

2 substances

Bruton tyrosine kinase (BTK) inhibitor

2 substances

Bulk-forming laxative

2 substances

Butyrophenone antiemetic/antipsychotic

4 substances

CAR-T cell therapy (BCMA-directed)

2 substances

CD19-directed CAR-T cell therapy

3 substances

CDK4/6 inhibitor

3 substances

CFTR potentiator

5 substances

CGRP monoclonal antibody

2 substances

CGRP receptor antagonist (gepant)

2 substances

CNS stimulant

6 substances

CNS stimulant (amphetamine prodrug)

2 substances

COMT inhibitor

3 substances

COX-2 selective NSAID

7 substances

Calcimimetic

3 substances

Calcineurin inhibitor (immunosuppressant)

3 substances

Calcium and vitamin D supplement

4 substances

Calcium channel blocker (dihydropyridine)

3 substances

Calcium sensitizer / inodilator

2 substances

Carbapenem antibiotic

9 substances

Carbonic anhydrase inhibitor (ophthalmic)

2 substances

Carbonic anhydrase inhibitor (topical)

3 substances

Centrally acting opioid analgesic

4 substances

Cholinesterase inhibitor

5 substances

Class III antiarrhythmic

3 substances

Cold and flu combination (analgesic/decongestant)

2 substances

Corticosteroid (glucocorticoid)

5 substances

Cyclic lipopeptide antibiotic

4 substances

DMARD (pyrimidine synthesis inhibitor)

2 substances

DPP-4 inhibitor

7 substances

DPP-4 inhibitor (gliptin)

2 substances

DPP-4 inhibitor + biguanide combination (sitagliptin/metformin)

2 substances

Depolarizing neuromuscular blocker

3 substances

Diagnostic agent (urea breath test)

3 substances

Diagnostic radiopharmaceutical

7 substances

Dihydropyridine calcium channel blocker

4 substances

Direct factor Xa inhibitor (DOAC)

2 substances

Direct oral anticoagulant (Factor Xa inhibitor)

3 substances

Direct thrombin inhibitor (DOAC)

5 substances

Direct thrombin inhibitor (anticoagulant)

2 substances

Dopamine agonist

2 substances

Dopamine agonist (ergot derivative)

2 substances

Dopamine agonist (non-ergot)

7 substances

EGFR tyrosine kinase inhibitor

4 substances

Echinocandin antifungal

6 substances

Endothelin receptor antagonist

5 substances

Enzyme replacement therapy

7 substances

Enzyme replacement therapy (lysosomal)

2 substances

Erythropoiesis-stimulating agent (ESA)

5 substances

FLT3 tyrosine kinase inhibitor

2 substances

Fibrate

2 substances

First-generation antihistamine (H1 antagonist)

4 substances

First-generation cephalosporin antibiotic

3 substances

Fluoride dental caries prophylaxis

3 substances

Fluoroquinolone antibiotic

5 substances

Folic acid analog / chemotherapy rescue agent

2 substances

GLP-1 receptor agonist

3 substances

Gabapentinoid (anticonvulsant)

2 substances

Gadolinium-based MRI contrast agent

6 substances

Glutamate release inhibitor

2 substances

Glycopeptide antibiotic

4 substances

Glycoprotein IIb/IIIa inhibitor (antiplatelet)

3 substances

Glycylcycline antibiotic

2 substances

GnRH agonist

5 substances

GnRH analog (LHRH agonist)

2 substances

GnRH antagonist

3 substances

Gonadotropin (menotropin/HMG)

2 substances

Granulocyte colony-stimulating factor (G-CSF)

3 substances

Granulocyte colony-stimulating factor (G-CSF) biosimilar

4 substances

Granulocyte colony-stimulating factor (pegfilgrastim biosimilar)

2 substances

HIV protease inhibitor

2 substances

Hematopoietic stem cell mobilizer (CXCR4 antagonist)

2 substances

Hepatitis B vaccine (recombinant)

2 substances

Herbal anxiolytic (lavender oil)

4 substances

Herbal immunostimulant

2 substances

Histamine H3 receptor antagonist/inverse agonist

2 substances

Histamine analogue (antivertigo)

2 substances

Histone deacetylase (HDAC) inhibitor

2 substances

Human fibrinogen concentrate

2 substances

Human normal immunoglobulin (IVIG)

2 substances

ICS/LABA combination inhaler

2 substances

IL-23 inhibitor (monoclonal antibody)

3 substances

IL-6 receptor antagonist (biosimilar)

2 substances

Ileal bile acid transporter (IBAT) inhibitor

2 substances

Imidazole antifungal

3 substances

Immunomodulator (multiple sclerosis)

2 substances

Immunomodulatory agent (IMiD)

8 substances

Immunosuppressant (antimetabolite)

3 substances

Inhaled corticosteroid

7 substances

Inhaled corticosteroid + LABA combination

2 substances

Inhaled corticosteroid + long-acting beta2-agonist combination

2 substances

Insulin combination (long-acting + rapid-acting)

3 substances

Integrase strand transfer inhibitor (INSTI)

3 substances

Intermediate-acting insulin (NPH)

8 substances

Iron chelator

6 substances

Iron supplement

2 substances

Lipase inhibitor (anti-obesity)

2 substances

Lipoglycopeptide antibiotic

5 substances

Local anesthetic (amide)

7 substances

Local anesthetic (amide) with vasoconstrictor

2 substances

Local anesthetic (amide-type)

5 substances

Local anesthetic (amide-type, hyperbaric)

2 substances

Local anesthetic (amide-type, mepivacaine)

2 substances

Local anesthetic / Class Ib antiarrhythmic

3 substances

Long-acting beta-2 agonist (LABA)

6 substances

Long-acting insulin analog

3 substances

Long-acting muscarinic antagonist (LAMA)

6 substances

Loop diuretic

4 substances

Low molecular weight heparin (LMWH)

6 substances

MAO-B inhibitor

6 substances

MAO-B inhibitor (antiparkinsonian)

4 substances

MEK inhibitor (antineoplastic)

3 substances

Macrolide antibiotic

5 substances

Medical gas (inhalational analgesic/anesthetic)

2 substances

Medical gas (oxygen therapy)

3 substances

Meglitinide (insulin secretagogue)

3 substances

Microtubule inhibitor (halichondrin analog)

2 substances

Mineral supplement

3 substances

Mistletoe extract (complementary oncology)

2 substances

Mucolytic / Antidote

2 substances

Mucolytic expectorant

2 substances

NK1 receptor antagonist (antiemetic)

3 substances

NMDA receptor antagonist

5 substances

NSAID

14 substances

Nitrate vasodilator

2 substances

Non-benzodiazepine hypnotic (Z-drug)

2 substances

Non-depolarizing neuromuscular blocker

2 substances

Non-ionic iodinated radiographic contrast agent

2 substances

Non-nucleoside reverse transcriptase inhibitor (NNRTI)

5 substances

Non-opioid analgesic/antipyretic

2 substances

Non-steroidal antiandrogen

3 substances

Nrf2 activator / Immunomodulator

3 substances

Nucleoside reverse transcriptase inhibitor (NRTI)

3 substances

Opioid agonist

2 substances

Opioid analgesic

20 substances

Opioid analgesic (extended-release)

2 substances

Opioid analgesic (ultra-short-acting)

2 substances

Opioid antagonist

2 substances

Osmotic laxative

9 substances

Osmotic laxative (macrogol/PEG)

2 substances

Oxazolidinone antibiotic

2 substances

P2Y12 ADP receptor antagonist (antiplatelet)

3 substances

P2Y12 platelet inhibitor

4 substances

P2Y12 platelet inhibitor (antiplatelet)

2 substances

PARP inhibitor

4 substances

PCSK9 inhibitor (monoclonal antibody)

2 substances

PD-L1 inhibitor (monoclonal antibody)

2 substances

PDE5 inhibitor

3 substances

PPI

3 substances

Parenteral nutrition lipid emulsion

4 substances

Partial opioid agonist

2 substances

Phosphate binder

5 substances

Phosphodiesterase-3 inhibitor (inotrope)

2 substances

Phosphodiesterase-4 (PDE4) inhibitor

2 substances

Plasma volume expander (human albumin)

3 substances

Platinum-based antineoplastic

4 substances

Polyene antifungal

3 substances

Polymyxin antibiotic

3 substances

Posterior pituitary hormone (uterotonic)

3 substances

Potassium channel blocker

4 substances

Progestogen

3 substances

Prostacyclin analogue (vasodilator)

2 substances

Prostaglandin F2-alpha analog

2 substances

Prostaglandin F2-alpha analog (uterotonic)

2 substances

Prostaglandin F2α analog (ophthalmic)

2 substances

Prostaglandin analog (ophthalmic)

2 substances

Proteasome inhibitor

3 substances

Proton pump inhibitor (PPI)

2 substances

Purine analog antineoplastic

2 substances

Pyrimidine synthesis inhibitor (immunomodulator)

3 substances

Radiopharmaceutical (myocardial perfusion imaging agent)

2 substances

Radiopharmaceutical diagnostic agent

7 substances

Rapid-acting insulin analog

2 substances

Recombinant coagulation factor VIII

3 substances

Recombinant human growth hormone (somatropin)

3 substances

SGLT2 inhibitor

5 substances

SNRI

2 substances

SSRI

9 substances

Second-generation H1 antihistamine

16 substances

Second-generation H1-antihistamine

2 substances

Second-generation cephalosporin antibiotic

2 substances

Selective 5-HT4 receptor agonist (prokinetic)

2 substances

Selective estrogen receptor degrader (SERD)

3 substances

Selective estrogen receptor modulator (SERM)

7 substances

Selective prostacyclin (IP) receptor agonist

2 substances

Selective relaxant binding agent

6 substances

Short-acting (regular) human insulin

3 substances

Short-acting beta-2 agonist (SABA)

2 substances

Short-acting human insulin

3 substances

Small interfering RNA (siRNA) therapeutic

3 substances

Smoking cessation aid (nicotine replacement therapy)

5 substances

Smoking cessation aid (nicotine replacement)

5 substances

Soluble guanylate cyclase stimulator

2 substances

Somatostatin analog

2 substances

Sphingosine 1-phosphate (S1P) receptor modulator

2 substances

Sphingosine-1-phosphate (S1P) receptor modulator

2 substances

Statin

5 substances

Stimulant laxative

2 substances

Systemic corticosteroid

2 substances

Systemic retinoid

2 substances

TNF-alpha inhibitor (adalimumab biosimilar)

2 substances

TNF-alpha inhibitor (monoclonal antibody)

2 substances

Taxane chemotherapy

4 substances

Tetracycline antibiotic

5 substances

Thiazide diuretic

3 substances

Third-generation cephalosporin antibiotic

7 substances

Thrombolytic (tissue plasminogen activator)

2 substances

Thrombopoietin receptor agonist

4 substances

Topical calcineurin inhibitor

2 substances

Topoisomerase I inhibitor (cytotoxic chemotherapy)

2 substances

Transthyretin stabilizer

2 substances

Triazole antifungal

7 substances

Tricyclic antidepressant

3 substances

Triptan (5-HT1B/1D agonist)

6 substances

Triptan (5-HT1B/1D receptor agonist)

2 substances

Typical antipsychotic (thioxanthene)

2 substances

Tyrosine kinase inhibitor

4 substances

Tyrosine kinase inhibitor (VEGFR)

3 substances

Tyrosine kinase inhibitor (antifibrotic)

3 substances

Urea cycle disorder agent (carglumic acid)

2 substances

Urinary antiseptic

3 substances

VEGF inhibitor (bevacizumab biosimilar)

2 substances

Vasopressin V2 receptor antagonist

2 substances

Vasopressin analog (antidiuretic hormone)

3 substances

Vasopressor (alpha/beta adrenergic agonist)

3 substances

Vinca alkaloid antineoplastic

2 substances

Vitamin (B9) supplement

2 substances

Vitamin D analog (cholecalciferol)

3 substances

Volatile inhalational anesthetic

3 substances

Xanthine oxidase inhibitor

3 substances

mTOR inhibitor

4 substances

Medical disclaimer: This tool provides educational information for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your individual situation with a qualified healthcare provider.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.