Chronic paroxysmal hemicrania

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Chronic Paroxysmal Hemicrania

Chronic paroxysmal hemicrania (pronunciation: /ˈkrɒnɪk pærɒkˈsɪzməl ˌhɛmɪˈkreɪniə/) is a rare type of headache characterized by severe, unilateral (one-sided) head pain. The term is derived from the Greek words chronos (time), paroxysm (sudden attack), hemi (half), and kranion (skull).

Symptoms

The primary symptom of chronic paroxysmal hemicrania is intense, throbbing pain on one side of the head. This is often accompanied by autonomic symptoms such as tearing, nasal congestion, and eyelid drooping on the affected side. Attacks typically last between 2 and 30 minutes and occur multiple times a day.

Causes

The exact cause of chronic paroxysmal hemicrania is unknown. However, it is thought to involve the trigeminal nerve, which is responsible for sensations in the face and motor functions such as biting and chewing.

Diagnosis

Diagnosis of chronic paroxysmal hemicrania is primarily based on the patient's symptoms and response to treatment with indomethacin, a type of nonsteroidal anti-inflammatory drug (NSAID). Neuroimaging tests such as MRI or CT scan may be used to rule out other conditions.

Treatment

The primary treatment for chronic paroxysmal hemicrania is indomethacin. Other treatments may include calcium channel blockers, corticosteroids, and anticonvulsants.

See also

References


External links

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