I have tinnitus for the last 18 hours, nausea & flashing light iny right eye?

Migraines: A migraine is a vasospasm of a blood vessel in the brain. There are many symptoms. The common migraine's hallmark is a severe headache. The headache may be accompanied by nausea and vomiting, sensitivity to light and sound. Sometimes, migraines are signaled by an "aura, " which may be a visual symptom such as flashing lights or wavy lines followed by a headache. Common triggers - caffeine, stress.

Possible sinus infec: Sometimes an acute deep sinus blockage/infection can cause similar sypmtoms to migraine. The normal migraine signs and symptoms usually do not last this long. You should seek help immediately.