Frey's syndrome results from surgery of the

Auriculo temporal syndrome or Frey syndrome or gustatory sweating is due to damage of auricutotemporal nerve following surgery in parotid and mandibular ramus areas, and subsequent innervation of sweat glands by parasympathetic salivary fibres. The patient typically exhibits flushing and sweating of the involved side of the face, chiefly in the temporal area, during eating.