Frey's syndrome is a form of gustatory hyperhidrosis that develops following surgery, trauma, or disease of the parotid gland area. Several theories have been proposed to explain the resulting symptomatology. Treatment often is difficult or ineffective. An unusual case is presented involving a patient with delayed onset of symptoms who responded well to topical application of 20% aluminum chloride in anhydrous ethyl alcohol.
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Harper et al. (1986) studied this question.
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