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

Naltrexone — Active Pharmaceutical Ingredient

Naltrexone Hydrochloride — Active Pharmaceutical Ingredient

Nandrolone Decanoate — Active Pharmaceutical Ingredient

Nandrolone Phenpropionate — Active Pharmaceutical Ingredient

Naphazoline Hydrochloride — Active Pharmaceutical Ingredient

Naproxen — Active Pharmaceutical Ingredient

Naproxen Sodium — Active Pharmaceutical Ingredient

Naratriptan Hydrochloride — Active Pharmaceutical Ingredient

Narsoplimab-Wuug — Active Pharmaceutical Ingredient

Natalizumab — Active Pharmaceutical Ingredient