migraine

US /ˈmaɪ.ɡreɪn/
UK /ˈmaɪ.ɡreɪn/
"migraine" picture
1.

a severe throbbing headache, usually affecting one side of the head and often accompanied by nausea and disturbed vision.

:
She had to lie down because of a terrible migraine.
Bright lights can trigger a migraine for some people.