MEDLINEplus Drug Information
Information on thousands of prescription and over-the-counter medications is provided through two drug resources -- MedMaster™, a product of the American Society of Health-System Pharmacists (ASHP), and the USP DI® Advice for the Patient®, a product of the United States Pharmacopeia (USP).

CenterWatch Drug Directories
Provides descriptions of FDA recently approved prescription drugs, as well as listings of drugs approved in previous years, back to 1995. The drugs are organized by therapeutic area.

DrugDigest
Provides easy-to-read reference materials on topics ranging from drugs, vitamins, and herbs to breakthrough medical research and state-of-the-art disease management. Offers a free eBulletin service, which includes the latest news and research on the health conditions. In addition, DrugDigest provides a Drug Interactions database, where you can check interactions between two or more drugs and get detailed information regarding potentially harmful drug interactions.

Drug InfoNet
Provides both information and links to areas on the web concerning healthcare and pharmaceutical-related topics. Includes links to drug information, government sites, healthcare news, health information, and pharmaceutical manufacturer information.

FDA's Center for Drug Information and Research
From the U.S. Food and Drug Administration; provides links to drug information sheets, drug approvals, drug shortages, inactive ingredient database, and news information.

FDA Consumer Drug Information
Offers summaries of drugs approved by the Food and Drug Administration since 1998. A searchable drug listing includes prescription and over-the-counter medications and discontinued drugs.

Needy Meds
Provides information about pharmaceutical manufacturers' special programs to assist people who can't afford to purchase medications they need.

Prescription Drug Survival Guide
Developed by Jon W. Wahrenberger, M.D., Section of Cardiology, Dartmouth-Hitchcock Medical Center. Includes information about ways to obtain medications in a safe and cost-effective manner. Intended to be used in conjunction with your doctor's recommendations.

RxList - The Internet Drug Index
Free drug index, with a search engine which allows for searching by brand name, generic name, and category.

U.S. Pharmacopeia
Includes drug standards, drug information, dietary supplements, and veterinary medicine.