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Pharmacology Tools

Interactive calculators and visualizers for pharmacokinetics, drug interactions, and medicinal chemistry.

Interaction Tools

Drug Interaction Checker

Check interactions between multiple drugs with severity ratings.

Pharmacokinetic Tools

Half-Life Calculator

Visualize plasma concentration decline over multiple half-lives.

Dosage Calculator

Calculate weight-based drug dosages with per-dose and daily totals.

Chemical Property Tools

Lipinski Rule of Five Checker

Assess oral drug-likeness using Lipinski's four rules.

Molecular Weight Calculator

Calculate molecular weight from a chemical formula.

Pharmacokinetic Tools

Steady State Calculator

Calculate time to steady state and drug accumulation ratio.

Educational Tools

ATC Code Explorer

Navigate the WHO ATC classification hierarchy interactively.

Dose-Response Curve Visualizer

Plot sigmoidal dose-response curves using the Hill equation.

Pharmacokinetic Tools

Elimination Timeline Visualizer

Track complete drug elimination with clinical annotations.

PK Parameter Comparison

Compare pharmacokinetic parameters across multiple drugs.

Chemical Property Tools

Drug Similarity Finder

Find structurally or pharmacologically similar drugs.