Amphetamine and Drug of abuse

Amphetamine noun - A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression.

Drug of abuse and amphetamine are semantically related. In some cases you can use "Drug of abuse" instead a noun "Amphetamine".

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.

Amphetamine and drug of abuse are semantically related. Sometimes you can replace term "Amphetamine" with "Drug of abuse", this terms are similar.