psychoactive drug
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A psychoactive drug is a chemical substance that changes how your brain works or how you perceive the world around you. It matters because these drugs can significantly affect your mood, thoughts, and behavior, which is why understanding them is important for health and safety.
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An assortment of commonly used psychoactive drugs, including both street drugs and medications (alcohol and caffeine omitted): Cocaine Crack cocaine Methylphenidate (Ritalin) Ephedrine MDMA (ecstasy) Peyote (mescaline) LSD blotter Psilocybin mushroom (Psilocybe cubensis) Diphenhydramine (Benadryl) (Unscheduled drug) Amanita muscaria mushroom (muscimol) (Unscheduled drug) Salvia divinorum (salvinorin A) Tylenol 3 (acetaminophen/codeine) Codeine with muscle relaxant Pipe tobacco (nicotine) (Unscheduled drug) Bupropion (Unscheduled drug) Cannabis (THC) Hashish (THC)
Coffee (containing caffeine) being consumed in a social environment; caffeine is widely legal virtually everywhere worldwide making it the most commonly used psychoactive drug. Depiction of alcohol and tobacco (containing nicotine) being used, both of which are commonly legal psychoactive drugs. Chart of relative harmfulness of some psychoactive substances