Chronic Paroxysmal Hemicrania. VIII. The Sweating Pattern

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Abstract
Evaporimeter measurements of forehead sweating during attack were carried out in six female patients with chronic paroxysmal hemicrania. The patients served as their own controls. Increased sweating on the symptomatic side was found in two patients. both when compared to the non-symptomatic side during attack and when compared with the symptomatic side outside attack. The remaining four patients, two of whom had only weak attacks at the time of study, showed sweat values within the control range. In one patient, attacks could be precipitated by head flexion and by pressure against certain circumscribed points in the neck (“mechanical” precipitation of attacks). These attacks were also associated with increased sweating on the symptomatic side. Increased forehead sweating does not seem to be a sine qua non in CPH.

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