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Drug encyclopedia
Learn about prescription and over-the-counter drugs – how they work, possible side effects, and more.
Don't see the drug you are looking for? Type the full drug name in the search box above.
Don't know the drug name? Put asterisks before or after parts of the name you know (ex: *benzo*).
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If you suspect an overdose, contact your local poison control center or emergency room immediately. You can also call the National Poison Hotline at 1-800-222-1222 (toll free) or 711 (TTY).
This information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. The information is not intended to cover all possible uses, directions, precautions, drug interactions, or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate, or effective for you. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment. First Databank disclaims any liability for the decisions you make based on this information.
Natural medicines database
Explore reliable information about the safe, effective use of vitamins, herbs, and other supplements and how they interact with other medications.
Drug formulary
Find out about drugs approved by the Kaiser Permanente Pharmacy and Therapeutics Committee for use in your care.