Reduction of salivary flow with botulinum toxin: extended report on 33 patients with drooling, salivary fistulas, and sialadenitis.

Objectives/hypothesis: The aim of the study was the evaluation of the clinical data of 33 patients who had had drooling attributable to various diseases, salivary fistulas, and sialadenitis and had been treated with injection of botulinum toxin type A (Botox). A controlled follow-up study documenting efficiency, possible side effects, and duration of the effect of treatment was also performed.

Study Design: Retrospective clinical evaluation.