Fioricet is not unique in its component combination but also in its specialized approach to treating tension headaches. Acetaminophen reduces pain and fever, butalbital eases muscle contractions that contribute to headache tension, and caffeine increases the analgesic effects of acetaminophen. This combination of medications works synergistically to address various aspects of headache pain. One of the distinctive aspects of Fioricet is its careful balance of sedative and stimulant properties. One of the distinguishing features of Fioricet is its stimulating effects.