migraine

A severe recurring headache, usually affecting only one side of the head, characterized by sharp pain and often accompanied by nausea, vomiting, and visual disturbances.

Same as megrim.

A kind of intense sick or nervous headache, usually periodical and confined to one side of the head; called also migraine headache. Same as megrim.

A severe, disabling headache, usually affecting only one side of the head, and often accompanied by nausea, vomiting, photophobia and visual disturbances.

a severe recurring vascular headache; occurs more frequently in women than men