What's the difference between a migrane and a headache?

Type of headache: A migraine is a type of headache that is usually severe in intensity, unilateral (one sided), aggravated by light and sound, associated with nausea and vomiting, and sometimes preceded by an aura (visual disturbance or auditory disturbance).

A type of headache: Migraine is a type of headache, is usually throbbing, unilateral, associated with photophobia, phonophobia, vomiting, diarrhea, sensory symptoms and occasionally motor and visual symptoms. Migraines are more common in women than men, and can have food or liquid triggers. Many people call severe headaches migraine even if they have none of the characteristics of migraine. Both types are treatable.