[Botulinum toxin for the treatment of secretory disorders of the head and neck area].

Botulinum toxin can be used for the temporary blockade of secretory glands in the head and neck area. Botulinum toxin is increasingly the therapy of choice for the treatment of Frey's syndrome and gustatory tearing, and it is gaining attention for hypersalivation therapy. For nasal hypersecretion, this drug has a very specific use. In comparison to the treatment of skeletal muscles, the individual effect and its duration are more difficult to predict. All indications presented here are for off-label use; therefore, careful counseling and informed consent are necessary. With botulinum toxin, for several diseases, as new treatment options are opening up, well-founded knowledge about the indications and treatment course is important for the ENT surgeon.