Also known as Fioricet, Alagesic, Americet, Anolor 300, Anoquan, Arcet, Axocet, Bucet, Bupap, and Cephadyn
Butalbital is a barbiturate with an intermediate duration of action. Butalbital is often combined with other medications, such as acetaminophen (paracetamol) or aspirin, and is commonly prescribed for the treatment of pain and headache. The various formulations combined with codeine are FDA approved for the treatment of tension headaches. Butalbital has the same chemical formula as talbutal but a different structure--one that presents as 5-allyl-5-isobutylbarbituric acid,Source: Wikipedia
Patients are most commonly prescribed butalbital to treat headache, migraine, rabies, and pick disease.