A headache of varying intensity, often accompanied by nausea and sensitivity to light and sound. Migraine headaches are sometimes preceded by warning symptoms. Triggers include hormonal changes, certain food and drink, stress and exercise. Migraine headaches can cause throbbing in one particular area that can vary in intensity. Nausea and sensitivity to light and sound are also common symptoms. Preventive and pain-relieving medication can help manage migraine headaches.