Pain on left or right side of head

This page contains some of the conditions that could be the cause of these symptoms, although it is not a complete list of possible conditions.
Conditions

Cluster headache
Migraine
Cluster headache

Cluster headaches are excruciating attacks of pain in one side of the head, often felt behind the eye.

Symptoms of this condition may include:
Pain on left or right side of head
Severe headache
Headache that came on suddenly
Blocked nose
Pain behind the eyes
Our Health A-Z contains more information on Cluster headache.

If you are worried about this condition you can try our free AI Symptom Checker here.

Migraine

A migraine is usually a moderate or severe headache felt as a throbbing pain on one side of the head.

Symptoms of this condition may include:
Headache
Feeling sick or nausea
Headache that came on suddenly
Severe headache
Pain on left or right side of head
Our Health A-Z contains more information on Migraine.

If you are worried about this condition you can try our free AI Symptom Checker here.