psychoactive drug

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psychoactive drug

Substance abuse An agent that provides pleasure or ameliorates pain, and may cause physical dependence and tolerance, with a tendency to ↑ dose in order to achieve the same effect; use of non-prescribed psychoactive agents may be 'social' or casual, or evolve into frank addiction; in descending order of addictive potential cocaine/'crack', amphetamines, opiates, nicotine, alcohol, benzodiazepine, barbiturates, cannabis, hallucinogens, caffeine Therapeutics An agent that improves the ability to function appropriately in clinical settings–eg, psych ward, nursing home Types Antidepressants–eg, desipramine, nortryptyline, antipsychotics–eg, haloperidol, thioridazine, benzodiazepines–eg, lorazepam, diazepam, and other hypnotics–eg, diphenhydramine

psy·cho·ac·tive drug

(sīkō-aktiv drŭg)
Pharmacotherapeutic agent that possesses action to alter mood, behavior, cognitive processes, or mental stress.