Drug Ingredients A–Z

A comprehensive reference of 2885 active pharmaceutical ingredients used in FDA-approved medications. Each entry lists brand names, dosage forms, routes, and FDA-approved labeling data including indications, warnings, adverse reactions, and contraindications.

This section covers 2885 active pharmaceutical ingredients used in FDA-approved medications. Each entry lists available brand name products, dosage forms, routes of administration, and FDA-approved prescribing information from DailyMed (National Library of Medicine).

ⓘ Information

Data sourced from FDA Drugs@FDA database and DailyMed (NLM) — both U.S. government public domain resources.

Drug Ingredients A–Z

Isoniazid — Active Pharmaceutical Ingredient

Isopropamide Iodide — Active Pharmaceutical Ingredient

Isopropyl Alcohol — Active Pharmaceutical Ingredient

Isoproterenol Hydrochloride — Active Pharmaceutical Ingredient

Isoproterenol Sulfate — Active Pharmaceutical Ingredient

Isosorbide — Active Pharmaceutical Ingredient

Isosorbide Dinitrate — Active Pharmaceutical Ingredient

Isosorbide Mononitrate — Active Pharmaceutical Ingredient

Isosulfan Blue — Active Pharmaceutical Ingredient

Isotretinoin — Active Pharmaceutical Ingredient