Pain on left or right side of head and Severe headache

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.