Pentazocine Acetaminophen
Generic name: pentazocine hydrochloride and acetaminophen
Dosage form: tablet
Drug class:Narcotic analgesic combinations
Medically reviewed by Drugs.com. Last updated on Feb 21, 2022.
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BOXED WARNING
Hepatotoxicity
Acetaminophen has been associated with cases of acute liver failure, at times resulting in liver transplant and death. Most of the cases of liver injury are associated with the use of acetaminophen at doses that exceed 4000 milligrams per day, and often involve more than one acetaminophen-containing product.
Pentazocine Acetaminophen Description
Pentazocine and acetaminophen tablets are a combination of pentazocine hydrochloride, USP, equivalent to 25 mg base and acetaminophen, USP, 650 mg.
Pentazocine is a member of the benzazocine series (also known as the benzomorphan series). Chemically, pentazocine is (2R*,6R*,11R* )1,2,3,4,5,6-hexahydro-6,11-dimethyl-3-(3-methyl-2-butenyl)-2,6-methano-3-benzazocin-8-ol, hydrochloride, a white, crystalline substance soluble in acidic aqueous solutions, and it has the following structural formula:
C19H27NO HCl Molecular Weight: 321.88
Chemically, acetaminophen is acetamide, N-(4-hydroxypheynyl)-, and it has the following structural formula:
C8H9NO2 Molecular Weight: 151.16
Pentazocine is an analgesic and acetaminophen is an analgesic and antipyretic.
Each tablet for oral administration contains 25 mg of pentazocine as the hydrochloride and 650 mg of acetaminophen. In addition, each tablet contains the following inactive ingredients: colloidal silicon dioxi..
