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Butalbital/acetaminophen Generic Name & Formulations
Legal Class
Rx
General Description
Butalbital 50mg, acetaminophen 325mg; tabs.
Pharmacological Class
Barbiturate + analgesic.
How Supplied
Contact supplier.
Manufacturer
Butalbital/acetaminophen Indications
Indications
Tension (or muscle contraction) headache.
Butalbital/acetaminophen Dosage and Administration
Adult
1–2 tabs every 4 hours; max 6 tabs daily.
Children
Not recommended.
Butalbital/acetaminophen Contraindications
Contraindications
Porphyria.
Butalbital/acetaminophen Boxed Warnings
Not Applicable
Butalbital/acetaminophen Warnings/Precautions
Warnings/Precautions
Extended use: not recommended. Severe renal or hepatic impairment. Acute abdominal conditions. Elderly. Debilitated. Pregnancy (Cat.C). Nursing mothers: not recommended.
Butalbital/acetaminophen Pharmacokinetics
See Literature
Butalbital/acetaminophen Interactions
Interactions
Potentiated by alcohol, other CNS depressants, MAOIs. May cause false (+) urine test for 5-hydroxyindoleacetic acid.
Butalbital/acetaminophen Adverse Reactions
Adverse Reactions
Drowsiness, dizziness, paradoxical excitement, rash; overdosage: respiratory depression, hepatotoxicity.
Butalbital/acetaminophen Clinical Trials
See Literature
Butalbital/acetaminophen Note
Notes
Formerly known under the brand name Phrenilin.
Butalbital/acetaminophen Patient Counseling
See Literature
