Nonprescription Drugs

"Drug Information Databases and Monograph Collections"

Almost all of the restricted-use (e.g. Micromedex, AHFS, IPA), and freely available, web-based databases and monograph collections listed at the linked sites include information on some OTC drugs and/or supplements.

FDA Over-the-Counter Drug Home Page
http://www.fda.gov/cder/offices/otc/default.htm

The FDA provides links to consumer- and professional-level OTC information on this page. Included are FDA OTC press releases and labeling guides.