What causes migraines NHS?

The exact cause of migraines is unknown, although they're thought to be the result of temporary changes in the chemicals, nerves and blood vessels in the brain. ... Some people find migraine attacks are associated with certain triggers, which can include: starting their period. read more

Causes The exact cause of migraines is unknown, but they're thought to be the result of abnormal brain activity temporarily affecting nerve signals, chemicals and blood vessels in the brain. It's not clear what causes this change in brain activity, but it's possible that your genes make you more likely to experience migraines as a result of a specific trigger. read more

A migraine is usually a moderate or severe headache felt as a throbbing pain on one side of the head. Learn about migraine symptoms and treatments. A migraine is usually a moderate or severe headache felt as a throbbing pain on one side of the head. read more