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1. A drug synthesized to have properties similar to a known hallucinogen or narcotic but having a slightly altered chemical structure, usually in order to evade restrictions against illegal substances.
2. A drug that is synthesized, especially by genetic engineering, in order to treat a specific medical condition or a specific patient population.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
designer drugSubstance abuse A substance of abuse synthesized or manufactured to give the same subjective effects as well known illicit drugs, produced in a clandestine lab; it is generally difficult to locate the manufacturer to identify adverse effects. See Adam, 'Ice. '.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
An illicitly produced drug of abuse. Designer drugs include methamphetamine, fentanyl and its analogues, and phencyclidine hydrochloride (PCP). They have serious side effects or are addictive; deaths and injury from overdose are common.
See also: drug
Medical Dictionary, © 2009 Farlex and Partners