Information for consumers and healthcare professionals, from the U.S. Food and Drug Administration. Alerts, patient FAQ, prescribing information, advisories, brand names.

Offers information about Zyban, a slow-release form of the antidepressant bupropion, the first antidepressant licensed for smoking cessation. Site asks for demographic information. Must accept cookies.

Provides information on usage, precautions, side effects and brand names. Data provided by government agencies and health-related organizations.

Encyclopedia article covers trade names, history, side effects, uses, and warnings.