Definition of Drug test

1. OTC and Prescription Drug Abuse Slideshow Pictures
2. Health Risks of Alcohol Abuse Slideshow Pictures

Drug test: An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of specific drugs and determine prior drug use. Drug tests may be performed to detect illicit drug use as well as the use of drugs and substances not permitted in specific occupations or athletic competitions. Also known as drug screen.

Need help identifying pills and medications?
Use the pill finder tool on RxList.