Buy Fioricet 40mg Online, it is a combination medication used to treat tension headaches and migraines. It typically contains butalbital, acetaminophen, and caffeine, working together to relieve pain and relax muscle contractions. The 40mg refers to the butalbital component, a barbiturate that helps ease headache-related tension. Caffeine enhances the effectiveness of pain relievers, while acetaminophen reduces pain and fever. Due to the risk of dependence and liver damage, Fioricet should be used only as prescribed and for short durations.