Medical Definition of Horton's cephalalgia
1.
A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Can be accompanied by a blocked nasal passage, runny nose, and-or tearing. One may also notice facial flushing, ptosis (dropping eyelid), facial swelling and constriction of the pupils.
(27 Sep 1997)
Lexicographical Neighbors of Horton's Cephalalgia
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