Prescription drug abuse is the inappropriate use of prescription drugs by individuals obtained through illegal or inappropriate means. Commonly called "doctor shopping", e-prescribing is touted to have the means to ...

An opioid is a chemical that works by binding to opioid receptors, which are found principally in the central nervous system and the gastrointestinal tract. The receptors in these ...

Crack cocaine, crack or rock is a solid, smokable form of cocaine. It is a freebase form of cocaine that can be made using baking soda (sodium bicarbonate) or sodium ...

A benzodiazepine (, sometimes abbreviated to "benzo") is a psychoactive drug whose core chemical structure is the fusion of a benzene ring and a diazepine ring. The first benzodiazepine, chlordiazepoxide (Librium ...

Opium (poppy tears, lachryma papaveris) is the dried latex obtained from opium poppies (Papaver somniferum). Opium contains up to 12% morphine, an opiate alkaloid, which is most frequently processed chemically ...

Heroin, or diacetylmorphine (INN), also known as diamorphine (BAN), is a semi-synthetic opioid drug synthesized from morphine, a derivative of the opium poppy. It is the 3,6-diacetyl ester ...