Hemicrania continua!
This is a rare type of headache that doesn't stop. It causes pain on one side of your face, head and back of neck it follows the nerves over your head.
Causes for this continuous headache is unknown, it's seems to effect women more often than men.
Symptoms are similar to cluster headaches.
Dull ache or throb that’s interrupted by pain that is:
Jolting
Sharp
Stabbing.
Nausea or vomiting
Sensitivity to noise or light
Severe Throbbing pain
Stuffy or runny nose
Nosebleeds (which are rare)
Tearing, redness, or irritation of the eyes
Drooping eyelids
Sweating
Severe eye pain (like eye ball is popping out)