Acetaminophen/chlorzoxazone

This classification denotes a combination drug defined by the U.S. Department of Veterans Affairs in its (VA's) National Drug File (NDF) which falls under VA Drug Class MS200. This VA Drug Class (MS200) classifies this compound as belonging to the group SKELETAL MUSCLE RELAXANTS. The first component of this combination drug is an analgesic and antipyretic with the molecular formula C8H9NO2, a preparation that US FDA recognizes as an active ingredient or moiety under Unique Ingredient Identifier 362O9ITL9D, chemically known as n-(4-hydroxyphenyl)acetamide but more generally known as acetaminophen, which bears U.S. National Institutes of Health Compound Identifier 1983. Acetaminophen comes in many forms, including base, acetate, cysteine, cysteinylglycine, di-methyl derivative, glucuronide, glutathione, hemisuccinate, mercapturate, and sulfate. The European Medicines Agency schedules Acetaminophen in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB09611MIG. The World Health Organization schedules acetaminophen in its Anatomical Therapeutic Chemical (ATC) Classification. The second component of this combination drug is a muscle relaxant with the molecular formula C7H4ClNO2, a preparation that US FDA recognizes as an active ingredient or moiety under Unique Ingredient Identifier H0DE420U8G, chemically known as 2-benzoxazolinone, 5-chloro- but more generally known as chlorzoxazone, which bears U.S. National Institutes of Health Compound Identifier 2733. The European Medicines Agency schedules Chlorzoxazone in its eXtended EudraVigilance Medicinal Product Dictionary or XEVMPD under Index SUB06215MIG. The term CHLORZOXAZONE is an International Non-Proprietary Name. The World Health Organization schedules chlorzoxazone in its Anatomical Therapeutic Chemical (ATC) Classification.