In the US, Fiorinal is a combination analgesic medication consisting of aspirin, the barbiturate butalbital and caffeine, in other countries the formulation may differ, for example, in Australia Fiorinal consists of paracetamol, codeine phosphate, and the sedative antihistamine doxylamine. Some US formulations also contain the opioid codeine. It is indicated for the treatment of tension headaches and is often used off-label (without approval by the U.S. Food and Drug Administration (FDA)) to treat migraines. The mechanism of action is not well understood. Since butalbital is habit-forming, using the US Formulation of Fiorinal daily can lead to dependency. Fiorinal #3 contains: 30 mg codeine, 50 mg butalbital, 40 mg caffeine, and 325 mg aspirin.
Other brand names include Fiormor, Fiortal, Fortabs, and Laniroif.
In Norberg v. Wynrib, the appellant Laura Norberg became addicted to Fiorinal which the respondent Dr. Morris Wynrib supplied in exchange for sexual favours. Fiorinal is a very highly addictive drug, please use with caution!