Botulinum toxin injection to the salivary glands for the treatment of sialorrhea with chronic aspiration.

Objectives: Chronic aspiration of salivary secretions can cause major pulmonary morbidity in neurologically impaired patients. Many treatments are proposed to address these problems, some with significant side effects. Botulinum toxin type A injection into the salivary glands is known to reduce salivary flow without major complications.