Fioricet

Fioricet and Esgic are brand names of a combination of butalbital (a barbiturate, 50 mg), acetaminophen (325 mg) and caffeine (40 mg) which is indicated for the treatment of tension headaches, muscle contraction headaches and post-dural puncture headaches. Although not indicated, they are commonly used to treat migraines and other pain related ailments.