From the US Food and Drug Administration with information that explains how certain foods may interact with some groups of medications.

Find a table of contents and sample page of "HIV Medications-Food Interactions Handbook." Resource offers info on food and drug interactions.

Help prevent adverse reactions to drugs like Prozac, Zoloft, Paxil, Claritin and Ultram by purchasing this drug reaction testing kit.

Find FDA warnings and approvals and a searchable database of drugs. Also has Ask the Pharmacist and drugs sorted by the diseases they treat.

Details of the interaction mechanisms and effects of the major classes of drugs. With warnings of high risk combinations.