Botulinum toxoid in the management of gustatory sweating (Frey’s syndrome) after superficial parotidectomy, , ,

Botulinum toxin has been successfully used to treat Frey’s syndrome occurring in a 31-year-old patient following superficial parotidectomy for pleomorphic adenoma. An initial injection of 7.5 U (0.3 ml over 6 cm2of cheek) resulted in 3 months’ resolution of gustatory sweating and flushing and a second injection 12 months’ symptomatic improvement. The symptoms recurred after further facial surgery.