Butalbital 50mg, acetaminophen 300mg, caffeine 40mg. Butalbital, a barbiturate, is a GABA A receptor agonist and may inhibit excitatory AMPA receptors. Acetaminophen is a non-opioid, non ...

Butalbital 50mg, acetaminophen 325mg; tabs. Extended use: not recommended. Severe renal or hepatic impairment. Acute abdominal conditions. Elderly. Debilitated ...