Diagnosis and treatment of primary focal hyperhidrosis in children and adolescents.

Primary focal hyperhidrosis is a disorder of excessive sweating that occurs in the axillae, palms, soles, and craniofacial region in amounts greater than needed for thermal regulation. Although the etiology is unknown, this disorder can cause significant emotional and social distress. The focus of this paper is the diagnosis and treatment of primary focal hyperhidrosis in children and adolescents.