The use of botulinum toxins to treat hyperhidrosis and gustatory sweating syndrome.

Hyperhidrosis is a chronic condition characterized by excessive sweating. Recent studies report that it affects approximately 2.8% of the population and typically begins during adolescence. Gustatory sweating usually occurs after parotid gland injury or surgery, and both disorders can be debilitating for those who are affected. Both diseases respond very well to botulinum toxin therapy and this article will review the use of botulinum toxins, including the serotypes used, dosing, and complications.