Fiorinal Dosage

Generic name: aspirin, butalbital, and caffeine
Drug class: Analgesic combinations

Medically reviewed by  A Ras MD.

Recommended Adult Dosing

Dosage forms:  CAP: 50 mg/325 mg/40 mg

Tension headache

[1-2 caps PO q4h]

Max: 6 caps/day; Info: taper dose gradually to D/C if long-term use

Renal dosing

CrCl <10: avoid use

HD: not defined; PD: avoid use

Hepatic dosing

[not defined]

severe impairment: caution advised

SRC: NLM .