Drugs.com
Online drug information in an A to Z format. Includes information about clinical trials, latest news, drug interactions, and a pill identifier.
www.drugs.com Details

Drugs@FDA
A searchable catalog of FDA approved drug products both prescription and over the counter. The database includes information such as therapeutic equivalents and links to documents relating to approval.
www.accessdata.fda.gov Details

Electronic Medicines Compendium
This site provides the UK approved information sheets for prescription medicines. It is the up-to-date, official and comprehensive source of information about medicines prescribed in the UK.
emc.medicines.org.uk Details

Erowid Psychoactive Vaults
Library of information about psychoactive plants and drugs.
www.erowid.org Details

European Surveillance of Antimicrobial Consumption (ESAC)
If you want to know what's going on with antibiotics in Europe, this is a pretty good place to start.
www.ua.ac.be Details

Extant Medical Clinic
Providing medical legal evaluation of neurologic symptoms thought due to adverse events from medication and vaccines.
ahe6.tripod.com Details

Facts and Comparisons
Includes resources for pharmacists and health care professionals, comparative data, drug interaction guides, and patient counseling resources.
www.factsandcomparisons.com Details

Farmamondo.com
Provides pharmaceutical information to Health professionals but can be of interest to the public as well. It provides instant information on some of the most innovative recently released international medicines, the moment they are put on the market anywhere in the world, and makes possible their immediate distribution.
www.farmamondo.com Details

German Pharmaceutical Database
Includes German, European and international drug databases and drug related information.
www.pharmazie.com Details