Does it feel like someone hit you on the side of your head with a frying pan?
Actually it does sound like a migraine to me. The sensitivity to light and the localized pain are symptoms.I get sick to my stomach, and sensitive to sound as well.
Drinking doesn't help mine, neither does plenty of greens

. Excedrin Migraine seems to work well if I catch it at the onset. If you smoke cigarettes quite. That really helped reduce the number of migraines I've had.