CenterWatch Newly Approved Drug Therapies - lists newly approved drugs by year, with the manufacturers name, and what the drug is used for. Listed by disease. Also has drug trials listings with contact information.
Drug InfoNet - Searchable database, has frequently asked questions and product information sheets, similar to package inserts.
FDA - Food and Drug Administration's page contains information on regulations, medical devices, foods, drugs, biologicals and cosmetics.
Institute for Safe Medical Practices - is a nonprofit organization that provides education about adverse drug events and their prevention.
MEDLINEPlus Drug Information - for the consumer.
Medscape's Drug Information - registration is required, but it is free. After typing in the drug you are searching for and selecting it, an outline of the drug information provided appears on the left of the screen. You can move through the drug monograph by selecting from this list.
RxLIST Drug Index - Top 200 prescribed drugs listing, searchable database, by action, interaction, brand name and imprint code.