psychoactive drug

psychoactive drug
psychotropic drug see under substance.

Medical dictionary. 2011.

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  • Psychoactive drug — An assortment of psychoactive drugs A psychoactive drug, psychopharmaceutical, or psychotropic is a chemical substance that crosses the blood–brain barrier and acts primarily upon the central nervous system where it affects brain function,… …   Wikipedia

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  • psychoactive drug — noun a drug that can produce mood changes and distorted perceptions (Freq. 2) • Syn: ↑mind altering drug, ↑consciousness altering drug, ↑psychoactive substance • Hypernyms: ↑drug • Hyponyms …   Useful english dictionary

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  • Drug — For other uses, see Drug (disambiguation). Coffee is the most widely used psychoactive drug beverage in the w …   Wikipedia

  • Drug-naïve — An image comparing the web of a drug naïve spider to that of a spider having been given caffeine. Drug naïve is the term used to describe patients or animals who are not under the influence of any psychotropic substances (drugs). This term… …   Wikipedia

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  • Drug abuse — DiseaseDisorder infobox Name = Drug abuse ICD9 = ICD9|305.9 Drug abuse has a wide range of definitions related to taking a psychoactive drug or performance enhancing drug for a non therapeutic or non medical effect. All of these definitions imply …   Wikipedia

  • Drug holiday — A drug holiday (sometimes also called a drug vacation, medication vacation, structured treatment interruption or strategic treatment interruption) is when a patient stops taking a medication(s) for a period of time; anywhere from a few days to… …   Wikipedia

  • psychoactive substance — noun a drug that can produce mood changes and distorted perceptions • Syn: ↑psychoactive drug, ↑mind altering drug, ↑consciousness altering drug • Hypernyms: ↑drug • Hyponyms: ↑designer drug …   Useful english dictionary

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