Fioricet is a pain reliever medication that includes acetaminophen, butalbital, and caffeine. Acetaminophen is a non-steroidal anti-inflammatory drug that acts as a pain reliever and fever reducer. Butalbital is classified as a barbiturate. It alleviates the muscular spasms associated with tension headaches. Caffeine is a stimulant of the central nervous system. It improves blood flow by relaxing muscular spasms in blood vessels

Fioricet is a muscle relaxant that is used to treat tension headaches induced by muscular spasms. Fioricet may be used for other conditions not included in this pharmaceutical guide.