Things that can trigger a migraine headache include foods, drinks, activities and exercise, medications, stress, too much or too little sleep, bright lights, hunger, odors, and hormones, among other factors.
To figure out what causes your migraines, print the list below. Then check for triggers at the first signs of a headache. Review the list every few weeks or months to see if you can spot a pattern. Chances are, the items that get the most checks are your triggers.
The first step to preventing migraines is to avoid triggers. These often include:
High blood pressure
Hormonal birth control pills
Low blood sugar
Although dietary triggers – such as caffeine, alcohol, and artificial sweeteners -- can cause other types of migraines; they seem less likely to trigger ocular migraines.
Medications can also prevent ocular migraines. Calcium-channel blockers,...
American Headache Society: "Headache Hygiene Tips."
The International Headache Society: "Epidemiology of Headache."
The Migraine Trust: "Your Triggers."
National Headache Foundation: "Migraine."