Drug Information Resources

Approved by the Cancer.Net Editorial Board, 06/2023

The websites listed below offer free informational databases that describe how individual medications work, the cancers they are generally prescribed for, safety precautions, and possible side effects. Each link will take you to that organization's website.

This list is provided for informational purposes only. Cancer.Net and the American Society of Clinical Oncology (ASCO) do not endorse the content, operators, products, or services of such applications and websites and are not responsible directly or indirectly for any damages or injury caused by or in connection with use of any content, products, or services available through third-party applications and websites. As always, be sure to talk with your health care team about any questions you may have about information you find.

Medline Plus Drug Information. A service of the U.S. National Library of Medicine (NLM) and the National Institutes of Health (NIH), this database includes information on the precautions, side effects, and proper use of thousands of prescription drugs, over-the-counter medications, herbs, and supplements.

National Cancer Institute (NCI) Drug Information Summaries. The NCI has compiled consumer-friendly overviews for more than 250 common drugs and drug combinations for cancer and related conditions. Each summary includes information on how it is used in cancer care, possible side effects, drug interactions, and links to current clinical trials in which involve that drug.

WebMD Drugs and Medications Database. This listing summarizes the uses, precautions, possible side effects, drug interactions, and overdose information for thousands of medications, herbs, and supplements.

Related Resources

Fact Sheet: Taking Your Medication Correctly (PDF)

How to Get More Support From Your Oncology Pharmacist During Cancer

How to Safely Handle and Dispose Medication

Tips for Managing Multiple Medications

Specialty Pharmacies and Cancer Treatment: 3 Things to Know