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A phenothiazine drug, C23H26N5O7S, given in its hydrochloride form for sedation.

[propio(nyl), radical derived from propionic acid + (pro)m(eth)azine, an antihistamine and antidepressant (pro(pyl) + meth(yl) + (phenothi)azine).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Opioids Benzodiazepines and Stimulants benzodiazepine-like medications Morphine Diazepam Amphetamine Codeine 7-Amino-clonazepam Methamphetamine Acetylmorphine 7-Amino-nitrazepam Cocaine Buprenorphine 7-Amino-flunitrazepam Benzoylecgonine Methadone Alprazolam MDMA Oxycodone Zopiclone Tramadol Zolpidem Ethylmorphine Zaleplon Ketobemidone Fentanyl Propoxyphene Opioids Sedatives Morphine Alimemazine Codeine Hydroxyzine Acetylmorphine Promethazine Buprenorphine Propiomazine Methadone Oxycodone Tramadol Ethylmorphine Ketobemidone Fentanyl Propoxyphene Table 2: Positive hair specimens in opioid positive and opioid negative patients, N = 59 (excluding nonsynthetic cannabinoids).
In 7 of the falls precipitated by drugs, the judgment was that there had been an overdose (various combinations of benzodiazepines, dextropropoxyphene, propiomazine, levomepromazine [not available in the US], and carbamazepine) in 1 resident who had problems with addiction to drugs and alcohol.