What is counteracting the effects of stimulants; relating to a course of medical treatment based on a theory of contrastimulants. -- n. (Med.) An agent which counteracts the effect of a stimulant called?

contrastimulant — Counteracting the effects of stimulants; relating to a course of medical treatment based on a theory of contrastimulants. -- n. (Med.) An agent which counteracts the effect of a stimulant. (Webster's 1913.)

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