Over-the-counter (OTC) drugs are medicines that may be sold without a prescription, in contrast to prescription drugs. The name "over-the-counter" is somewhat confusing to some ...

Guide to prescription and over-the-counter medications provided by the United States Pharmacopeia.

Answer your medical questions on prescription drugs, vitamins and Over the Counter medications. Find medical information, terminology and advice including side effects, drug ...

Drug information on prescription and over the counter medications includes drug interactions, uses, side effects, and drug dosing.

The National Institute on Drug Abuse (NIDA) created the NIDA for Teens Web site to educate adolescents ages 11 through 15 (as well as their parents and teachers) on the science ...