Pharmacology

Provides basic information on a wide variety of drugs.

a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.

Provided by the U. S. National Library of Medicine, this site offers a variety of options for retrieving drug information.

Trusted by generations of healthcare providers, PDR delivers innovative health knowledge products and services that support prescribing decisions and patient adherence to improve health.

An online medical resource dedicated to offering detailed and current pharmaceutical information on brand and generic drugs sponsored by WebMD

A web site edited by physicians for physicians and patients. The scope of coverage includes information about 3000 prescription pharmaceuticals and 400 illnesses, as well as articles written by experts.

The U.S. Pharmacopeial Convention (USP) is a scientific nonprofit organization that sets standards for the identity, strength, quality, and purity of medicines, food ingredients, and dietary supplements manufactured, distributed and consumed worldwide. USP’s drug standards are enforceable in the United States by the Food and Drug Administration, and these standards are used in more than 140 countries.

From the US Food and Drug Administration, this site provides drug related information for consumers, health professionals, and industry.