0 a brand name for a drug that is a type of amphetamine (= a drug that makes the mind or body more active): --
In the old days crews relied on Benzedrine and the like to keep them awake.
I think they must have been on Benzedrine.
She had made excessive use of stimulants and depressants, in particular Benzedrine and alcohol.
In the 1930s, amphetamines were marketed as Benzedrine in an over-the-counter inhaler to treat nasal congestion.