Focal facial hyperhidrosis associated with internal carotid artery dissection successfully treated with botulinum toxin A

Abstract

Hyperhidrosis affects up to 3% of the population⁽¹⁾. Secondary hyperhidrosis may be associated with infections, malignancies, endocrine or neurological diseases⁽²⁾. We report the first case of localized hyperhidrosis associated to Pourfour du Petit syndrome secondary to internal carotid artery dissection successfully and safely treated with botulinum toxin.

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