Pharmacology
By Dr. Akash Garg, DC, MS Pharmacology, MEd, MBA · Updated October 20, 2026
Drug classes and how they work. Free to read, practice and play, with no sign-up.
14chapters
15animated modules
70interactives
See It: Pharmacology
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See how drugs work. 15 animated walkthroughs, each with a hands-on lab. Pause, slow down or have it read aloud.
- 1Pharmacokinetics
- 2Pharmacodynamics
- 3Autonomic nervous system drugs
- 4Psychiatric and sleep drugs
- 5Neurologic drugs and anesthesia
- 6Pain, inflammation and immune drugs
- 7Diuretics and antihypertensives
- 8Heart failure, angina, arrhythmia and lipid drugs
- 9Anticoagulants, antiplatelets and blood drugs
- 10Respiratory and allergy drugs
- 11Gastrointestinal drugs
- 12Endocrine and reproductive drugs
- 13Anti-infective drugs
- 14Cancer and immunosuppressant drugs
- 15Medication safety, dosage calculation and toxicology
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On the wayPharmacologyPharmacologyQuestSeven wards, seven bosses of disease. 140 drug class questions.Advertisement
Chapters
- 1Pharmacological Principles & Herbal SupplementsDrug names, pharmacokinetics, pharmacodynamics, safe administration & herbals
- 2Antimicrobial DrugsAntibiotics by mechanism, resistance & stewardship, antifungals & antivirals
- 3Immunomodulators & Antineoplastic AgentsImmunosuppressants, vaccines, chemotherapy classes & toxicities
- 4Pain & Substance UseNon-opioids, opioids & naloxone, adjuvants, substance use
- 5Mental Health, Antiepileptic & Anesthetic DrugsAntidepressants, antipsychotics, AEDs & anesthesia
- 6Bone & Skin DrugsOsteoporosis, gout, DMARDs, skin & wound agents
- 7Autonomic DrugsAdrenergic & cholinergic drugs and neuromuscular blockers
- 8Endocrine DrugsThyroid, corticosteroids, insulins & oral antidiabetics
Show all 14 chapters
- 9Cardiovascular Drugs IAnticoagulants, antiplatelets, hematopoietics & antihypertensives
- 10Cardiovascular Drugs IIStatins, nitrates, heart failure drugs & antiarrhythmics
- 11Diuretics, IV Fluids & PoisoningDiuretic classes, IV fluids, electrolytes & antidotes
- 12Respiratory Drugs & Eye/EarBronchodilators, controllers, allergy drugs & drops
- 13Gastrointestinal DrugsAcid & ulcer drugs, antiemetics, laxatives & IBD
- 14Reproductive System DrugsContraception, fertility, testosterone, ED & BPH drugs
Written by Dr. Akash Garg
Doctor of Chiropractic, MS in Pharmacology, MEd and MBA. Teaching college science since 2007.