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

Pyrilamine Maleate — Active Pharmaceutical Ingredient

Pyrimethamine — Active Pharmaceutical Ingredient

Pyrithione Zinc — Active Pharmaceutical Ingredient

Pyrvinium Pamoate — Active Pharmaceutical Ingredient

Quazepam — Active Pharmaceutical Ingredient

Quetiapine Fumarate — Active Pharmaceutical Ingredient

Quinapril Hydrochloride — Active Pharmaceutical Ingredient

Quinestrol — Active Pharmaceutical Ingredient

Quinethazone — Active Pharmaceutical Ingredient

Quinidine Gluconate — Active Pharmaceutical Ingredient