I have a sudden headache?

it started last night and is only on the left side of my head. it is very localized like in three different spots. on back left side on top left side and around left eye. it only hurts when i cough cause i have a really bad cough but when i cough the pain is so bad!! day before yesterday i had a stomach virus that had me throwing up. i feel all stopped up and stuff also like my ears and nose