Treatment with Botulinum Toxin Type A Dysport®. Case Report of Frey’s Syndrome

Abstract

Introduction: Auriculo-temporal syndrome, also known as Frey syndrome, is a clinical entity characterized by sweating, redness and heat in the temporal and preauricular region, after eating foods, especially those that generate greater saliva production, such as citrus fruits, spicy or salty foods. The most common cause is parotidectomy. The intradermal injection of botulinum toxin A is an effective method to control symptoms accompanied by being a minimally in- vasive procedure and easily applicable in the doctor’s office. Clinical case: A case of Frey’s syndrome of 48 years of evolution secondary to parotidectomy is presented, explaining the Minor test technique and the results obtained after treatment with intradermal botulinum toxin type A (Dysport®), performing a control at 8 weeks presenting a total remission of sweating in the affected area. Conclusion: Once the syndrome is established, surgical treatments are rarely used; the therapeutic modality with the best results is the application of botulinum toxin, hence the relevance of this work. Intradermal injection is currently the standard medical therapy and has been shown to have almost universal success with a limited side effect profile. This being the second case registered in the province of Osorno and reported in Chile to date.