CLUSTER HEADACHE
Cluster headaches are more common in middle aged men, with a ratio of 2:1 In women, it is usually seen earlier in life (in their 20s) ASSOCIATED WITH 1. Depression 2. Asthma 3. History of migraines 4. Sleep apnea CLINICAL PRESENTATION The diagnosis is clinical 1. Unilateral, recurrent periorbital pain that lasts from 15 min upto 3 hours 2. Usually at night time 3. Ipsilateral injection, lacrimation and nasal congestion 4. Neurological exam is normal PATHOPHYSIOLOGY Posterior hypothalamus activation > increased parasympathetic outflow The lacrimation, redness and congestion is due to parasympathetic hyperactivity The ptosis and ...
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