What is the most important information I should know about Fioricet?
Butalbital, one of the drugs found in Fioricet, is habit-forming and has potential for abuse. Extended use is not recommended. Fioricet can affect your ability to drive a car or operate machinery. Do not drive a car or operate machinery while taking Fioricet until you know how this drug affects you. Avoid alcohol and other drugs that affect your central nervous system (brain and spinal cord) (CNS depressants) because they can further affect your ability to concentrate.