Šalis: Jungtinės Valstijos
kalba: anglų
Šaltinis: NLM (National Library of Medicine)
BUTALBITAL (UNII: KHS0AZ4JVK) (BUTALBITAL - UNII:KHS0AZ4JVK), ACETAMINOPHEN (UNII: 362O9ITL9D) (ACETAMINOPHEN - UNII:362O9ITL9D), CAFFEINE (UNII: 3G6A5W338E) (CAFFEINE - UNII:3G6A5W338E)
Unit Dose Services
BUTALBITAL
BUTALBITAL 50 mg
ORAL
PRESCRIPTION DRUG
Butalbital, acetaminophen, and caffeine tablets, USP are indicated for the relief of the symptom complex of tension (or muscle contraction) headache. Evidence supporting the efficacy and safety of this combination product in the treatment of multiple recurrent headaches is unavailable. Caution in this regard is required because butalbital is habit-forming and potentially abusable. This product is contraindicated under the following conditions: - Hypersensitivity or intolerance to any component of this product - Patients with porphyria. Barbiturates may be habit-forming: Tolerance, psychological dependence, and physical dependence may occur especially following prolonged use of high doses of barbiturates. The average daily dose for the barbiturate addict is usually about 1500 mg. As tolerance to barbiturates develops, the amount needed to maintain the same level of intoxication increases; tolerance to a fatal dosage, however, does not increase more than two-fold. As this occurs, the margin between an intoxi
Product: 50436-1695 NDC: 50436-1695-1 30 TABLET in a BOTTLE NDC: 50436-1695-2 60 TABLET in a BOTTLE
Abbreviated New Drug Application
BUTALBITAL, ACETAMINOPHEN, AND CAFFEINE- BUTALBITAL, ACETAMINOPHEN, AND CAFFEINE TABLET UNIT DOSE SERVICES ---------- BUTALBITAL, ACETAMINOPHEN, AND CAFFEINE TABLETS, USP 50 MG/325 MG/40 MG RX ONLY 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. DESCRIPTION Butalbital, Acetaminophen, and Caffeine Tablets, USP are supplied in tablet form for oral administration. Each tablet contains the following active ingredients: Butalbital, USP 50 mg Acetaminophen, USP 325 mg Caffeine, USP 40 mg _Inactive Ingredients:_ microcrystalline cellulose, crospovidone, croscarmellose sodium, corn starch, stearic acid, colloidal silicon dioxide, magnesium stearate, and FD&C Blue No. 1. Butalbital (5-allyl-5-isobutylbarbituric acid), is a short to intermediate-acting barbiturate. It has the following structural formula: Acetaminophen (4´-hydroxyacetanilide), is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula: Caffeine (1,3,7-trimethylxanthine), is a central nervous system stimulant. It has the following structural formula: CLINICAL PHARMACOLOGY This combination drug product is intended as a treatment for tension headache. It consists of a fixed combination of butalbital, acetaminophen, and caffeine. The role each component plays in the relief of the complex of symptoms known as tension headache is incompletely understood. PHARMACOKINETICS The behavior of the individual components is described below. Butalbital Butalbital is well absorbed from the gastrointestinal tract and is expected to distribute to most tissues in the body. Barbiturates in general may appear in breast milk and readily cross the placental barrier. They are bound to plasma and tissue proteins to a varying degree and binding increases directly as a fu Perskaitykite visą dokumentą