Known causes include genetics, maternal illness and injury. Examples of these causes are physical trauma, acoustic neuroma, maternal prenatal illness such as measles, labyrinthitis, microtia, meningitis, Ménière's disease, Waardenburg syndrome, mumps (epidemic parotitis), and mastoiditis. SSD's most severe form of<unk>  is caused by: sudden sensorineural<unk> <unk>  (SSNHL), acoustic neuroma, anomalies inner ear abnormalities, cochlear nerve deficiency (CND), mumps, congenital cytomegalovirus (CMV) infection, meningitis and auditory neuropathy spectrum disorder (ANSD) treatment is based on the cause of the<unk> <unk> . Limited treatment when the cause is the Central auditory system or Auditory nerve.
Unilateral hearing loss
Sensorineural hearing loss
Conductive hearing loss
Spatial hearing loss
Prelingual deafness
Bilateral vestibulopathy
Dichoptic presentation
Cortical deafness