He got an instant headache after reading the first word.

Trying to follow them gave him an almost instant headache.

Reading, an exercise that had at first given him a stabbing sensation in the eyes and instant excruciating headaches, was getting easier.

An instant headache grabbed him by the eyeballs.

The noise had given her an instant headache.

The long gulps of chilled water tugged at my throat and gave me an instant headache but was worth it.

At four feet, my head was pounding with an instant headache of migraine proportions.

Light poured into the back of the truck, hurting Valentine's eyes and giving him an instant headache.

Sudden increases in light gave him an instant headache.

It was a blinding yellow fireball that gave me an instant headache.