Migraine is a common, debilitating headache disorder. It is characterized by recurrent episodes of headache, usually accompanied by other symptoms such as nausea, vomiting, and sensitivity to light and sound. There is no one-size-fits-all treatment for migraine, and medications that work for one person may not work for another. Some people with migraine find relief with a medication called ergotamine. Ergotamine is available in both prescription and over-the-counter forms, and comes in tablet, injection, and nasal spray formulations.

For people …