Efficacy and safety of botulinum toxin for treating sialorrhea: A systematic review and meta‐analysis

Sialorrhea often happens in patients with neurologic disorders, and botulinum toxin (BoNT), which inhibits acetylcholine activation, may be an effective treatment for drooling. This systematic review and meta-analysis of randomized control trials aims to evaluate the efficacy and safety of BoNT in adults and children with sialorrhea due to neurological disorders.The PubMed, Embase, and Cochrane databases were searched for relevant studies...