.What is Fioricet?
• Acetaminophen is a pain reliever and fever reducer.
• Butalbital is in a class of drugs called barbiturates that slow down your central nervous system (brain and nerve impulses) causing relaxation.
• Caffeine is believed to constrict dilated blood vessels that may contribute to tension headaches.
• Together, acetaminophen, butalbital, and caffeine are used to relieve complex tension (muscle contraction) headaches although precisely how it works is unknown.
• Fioricet may also be used for purposes other than those listed in this medication guide.