Cluster headaches
Alternative names:
headache - cluster; headache - histamine; histamine headache; migrainous neuralgia
Symptoms:
- swelling under or around the eyes (usually one eye, on the same side as the head pain)
- excessive tears (on the affected side)
- red eye (on the affected side)
- rhinorrhea (runny nose) or nasal congestion
- typically occurs on only one side of the nose (the same side as the head pain)
- red, flushed face
- headache
- begin suddenly
- commonly begins 2 to 3 hours after falling asleep
- steady
- sharp
- burning or boring pain
- characteristically occurs on one side of the head
- may occur in and around one eye
- may involve one side of the face from neck to temples
- pain quickly gets worse, peaking within 5 to 10 minutes
- peak pain may last one-half to 2 hours
Signs and tests:
Cluster headaches may be diagnosed by the health care provider based on the symptoms and physical examination. Tests may be required to rule out other causes of the symptoms. Examination usually shows no specific neurologic effects except for Horner's syndrome (one-sided eyelid drooping or small pupil) during an attack, which is not present between episodes (this can evolve into persistent Horner's syndrome).
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