This test detects the presence of amphetamine in your urine. The term "amphetamines" is often used broadly to represent the artificial classes of central nervous system (CNS) stimulants - including amphetamine, methamphetamine, the designer drugs MDMA (ecstasy) and MDA, and other designer drugs. This group of drugs resulting in elevated blood pressure, heart rate, and other metabolic functions. Amphetamines are used in the treatment of certain neurological conditions, such as attention deficit hyperactivity disorder and narcolepsy. The drugs are highly addictive and are sometimes abused.