NDAORALCAPSULE
Approved
Jul 1992
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Mechanism of Action
Butalbital, a barbiturate, is a GABA A receptor agonist and may inhibit excitatory AMPA receptors. The precise mechanism of the analgesic properties of acetaminophen is not established but is thought to involve central actions. Caffeine is a methylxanthine and CNS stimulant. The exact mechanism…
Pharmacologic Class:
Barbiturate