Drug of abuse and Street drug

Drug of abuse noun - A drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction.

Street drug is a synonym for drug of abuse. In some cases you can use "Street drug" instead a noun phrase "Drug of abuse".

Street drug noun - A drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction.

Drug of abuse is a synonym for street drug. You can use "Drug of abuse" instead a noun phrase "Street drug".