1–2 tabs or caps every 4hrs as needed; max 6 daily.
Drug abusers. Severe hepatic or renal impairment (monitor). Acute abdominal conditions. Discontinue if serious skin rash or hypersensitivity reactions occur. Elderly. Debilitated. Pregnancy (Cat.C). Nursing mothers: not recommended.
Barbiturate + analgesic.
May potentiate effects of alcohol, general anesthetics, tranquilizers, sedative-hypnotics, or other CNS depressants or narcotic analgesics; avoid. MAOIs may enhance CNS effects of butalbital. May cause false (+) urine test for 5-hydroxyindoleacetic acid.
Drowsiness, lightheadedness, dizziness, sedation, shortness of breath, nausea, vomiting, abdominal pain, intoxicated feeling; hepatotoxicity (APAP doses >4g/day); rare: serious skin reactions, hypersensitivity.
Formerly known under the brand name Esgic.