Most other headache sufferers don’t choose to be addicts — but an estimated one in five migraine patients is prescribed opioids such as OxyContin, Vicodin and Percocet, and barbiturates such as Fioricet; almost 20 percent of the opioids prescribed in this country are dispensed to relieve the pain of migraines and headaches, according to a study of medical-insurance claims published in 2009.
Source: The Huffington Post