Causes of Hearing Loss in Children

The type of hearing loss that your child has could be the result of one or more causes. The listing below includes the most common causes of hearing loss.




AN Auditory neuropathy/auditory dys-synchrony
C Conductive hearing loss
M Mixed hearing loss
SN Sensorineural hearing loss
U Unilateral hearing loss

During Pregnancy and Childbirth:

Birth defects of the head and neck C M SN
Connexin-26 SN
Cytomegalovirus (CMV) SN
Genetic Syndrome C M SN
Herpes (genital) SN
Low birth weight AN C SN M
Ototoxic Medications SN
Oxygen deprivation SN
RH incompatibility AN SN
Rubella (measles) SN
Severe Jaundice AN SN
Syphilis C M SN
Toxoplasmosis SN


In Infants and Children:

Autoimmune disorders SN
Explosions or repeated loud noises C M SN
Head Injury C M SN
Heredity C M SN
Meningitis SN
Middle ear problems (repeated) C
Mumps (usually one ear) SN U
Ototoxic medications such as:streptomycin, kanamycin, garamycin, ethacrynic acid, quinine, lasix SN

Genetic testing is available to help determine the cause. In many cases, however, the cause of a child’s hearing loss is never determined.