Botulinum toxin A is an effective therapeutic tool for the management of parotid sialocele and fistula: A systematic review.

Botox A injections are successful in the treatment of parotid sialoceles and fistulas and should be considered before the use of invasive conventional options. Further studies with larger numbers are needed to ratify this recommendation. Success rate for patients, treated with Botox A injection was between 70 and 100% for parotid sialocele and fistula. Patients who failed initial treatment with Botox A were re-administered with Botox A and eventually resolved.