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Butalbital/Acetaminophen
Migraine and headache
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Drug Name:

Butalbital/Acetaminophen Rx

Generic Name and Formulations:
Butalbital 50mg, acetaminophen 325mg; tabs.

Company:
Various generic manufacturers

Therapeutic Use:

Indications for Butalbital/Acetaminophen:

Tension (or muscle contraction) headache.

Adult:

1–2 tabs every 4 hours; max 6 tabs daily.

Children:

Not recommended.

Contraindications:

Porphyria.

Warnings/Precautions:

Extended use: not recommended. Severe renal or hepatic impairment. Acute abdominal conditions. Elderly. Debilitated. Pregnancy (Cat.C). Nursing mothers: not recommended.

Interactions:

Potentiated by alcohol, other CNS depressants, MAOIs. May cause false (+) urine test for 5-hydroxyindoleacetic acid.

Pharmacological Class:

Barbiturate + analgesic.

Adverse Reactions:

Drowsiness, dizziness, paradoxical excitement, rash; overdosage: respiratory depression, hepatotoxicity.

Note:

Formerly known under the brand name Phrenilin.

How Supplied:

Contact supplier.

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