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an opioid antagonist used as the hydrochloride salt in treatment of opioid or alcohol abuse.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
An orally active narcotic antagonist; devoid of pharmacologic action when administered in the absence of narcotics.
Farlex Partner Medical Dictionary © Farlex 2012
A synthetic opioid antagonist, C20H23NO4, used in its hydrochloride form to treat addiction to alcohol and to opioid drugs such as heroin.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
naltrexoneSubstance abuse An opioid antagonist used to manage opiate, alcohol and other abuse substances; naltrexone binds to endorphin receptors, preventing endophin receptor binding, reducing the craving for abuse substances. See Cocaine. Cf Antabuse.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
naltrexoneA narcotic antagonist used as a maintenance therapy in former narcotic addicts. A brand name is Nalorex.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Orally active narcotic antagonist; devoid of pharmacologic action when administered in absence of narcotics.
Medical Dictionary for the Dental Professions © Farlex 2012