medical-sciences

Pharmacology & Drug Kinetics

The science of drug action — absorption kinetics, dose-response curves, elimination half-lives, drug-drug interactions, and bioavailability optimization for rational pharmacotherapy.

pharmacologydrug kineticsdose-responsehalf-lifebioavailabilitydrug interactionspharmacokinetics

Pharmacology studies how drugs interact with biological systems — from the moment a tablet dissolves in the gut to the cascade of receptor binding that produces a therapeutic effect. Understanding pharmacokinetics (what the body does to a drug) and pharmacodynamics (what a drug does to the body) is essential for safe, effective medication use.

These simulations let you model first-order absorption, explore sigmoidal dose-response relationships, visualize exponential elimination, predict drug interaction outcomes, and optimize bioavailability — all with real-time parameter control and clinically grounded equations.

5 interactive simulations

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Bioavailability & First-Pass Effect

Simulate oral bioavailability — explore how gut absorption fraction, first-pass hepatic extraction, gut wall metabolism, and formulation factor determine systemic drug exposure

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Dose-Response Curve & EC50

Simulate sigmoidal dose-response relationships — explore how EC50, Hill coefficient, efficacy ceiling, and baseline activity shape the pharmacodynamic curve

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Drug Absorption & Plasma Concentration

Simulate oral drug absorption — explore how absorption rate, dose, volume of distribution, and elimination rate shape the plasma concentration-time curve

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Drug-Drug Interaction Modeling

Simulate pharmacokinetic drug interactions — explore how enzyme inhibition, induction, and protein binding displacement alter plasma drug levels

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Half-Life & Drug Elimination

Simulate drug elimination kinetics — explore how half-life, initial concentration, dosing interval, and number of doses affect steady-state accumulation