Management of persistent otorrhea after mastoidectomy in patients with nonsurgical causes

Post mastoidectomy otorhea is a problem for the patient as his complaint from preoperative discharge is still present. Also regarding the management of his hearing loss using hearing aids, will be limited, due to the effect of this discharge on the hearing aid function and its constituents . Revision surgery is the most common solution yet still there is a considerable percentage of them will need other solutions than surgery. Castallani paint is a safe, cheap and effective remedy for those patients.