Aspirin can be used to treat the majority of migraine patients, according to a study which reviewed evidence from 13 clinical trials of the treatment of the condition in more than 4,000 patients. The researchers, including those from Florida Atlantic University (FAU) in the US, said migraine headache is the third most common disease in the world affecting about 1 in 7 people -- more prevalent than diabetes, epilepsy and asthma combined. They said many patients are not adequately treated for reasons such as limited access to health care providers, and lack of health insurance.

The study, published in the American Journal of Medicine, noted that a high-dose of aspirin -- from 900 to 1,300 milligrams -- given at the onset of symptoms, is an effective and safe treatment option for acute migraine headaches. It said daily aspirin in doses from 81 to 325 milligrams may be effective and safe as…