less than 1 minute read

Heroin



Heroin, highly addictive narcotic derivative of morphine. The symptoms of withdrawal may appear as early as 4 to 6 hours after the last dose of the drug; they generally peak within 36 to 72 hours.

See also: Drug; Drug abuse.

Additional topics

21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Healy, James Augustine to Hobart, Garret Augustus