Hearing Impairment in Children By Udayan K Shah, MD, Sidney Kimmel Medical College at Thomas Jefferson University Reviewed / Revised Apr 2022 | Modified Sep 2022 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points Topic Resources Cochlear Implant (Child) Some Genetic Causes of Hearing... Common causes of hearing loss are genetic defects in neonates and ear infections and cerumen in children.