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Pain on left or right side of head and Severe headache

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

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.

Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.

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