Health & Wellness

Types of Hearing Loss

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Source:Community curated
Updated:4/9/2026
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Type
Affected Area
Primary Cause
Reversible
Treatment
Known For
Sensorineural Hearing Loss (SNHL)
Inner ear (cochlea/hair cells) or auditory nerveAging, noise, genetics, ototoxic drugsUsually noHearing aids, cochlear implantsMost common type of permanent hearing loss, accounts for ~90% of cases in adults
Conductive Hearing Loss
Outer or middle earEar wax, infection, otosclerosis, perforationOften yesMedical or surgicalBlockage or mechanical problem, often fixable, sounds muffled rather than distorted
Mixed Hearing Loss
Both outer/middle and inner earCombination of conductive and sensorineural causesPartialCombination of medical treatment and amplificationRequires addressing both components, common in chronic ear disease
Presbycusis (age-related)
Cochlea (outer hair cells first)Cumulative aging of auditory systemNoHearing aidsMost common form of hearing loss in older adults, ~1 in 3 over 65 affected
Noise-Induced Hearing Loss (NIHL)
Cochlea (4 kHz region first)Exposure to loud noise over 85 dBNo (permanent damage to hair cells)Prevention, hearing aidsClassic 4 kHz notch on audiogram, preventable with ear protection, affects musicians and industrial workers
Sudden Sensorineural Hearing Loss (SSHL)
Inner earOften idiopathic, viral, vascularSometimes if treated quicklyOral or intratympanic steroidsMedical emergency, sudden unilateral loss, treatment within 72 hours improves outcomes
Auditory Neuropathy Spectrum Disorder
Auditory nerve or inner hair cell synapseGenetic, prematurity, jaundiceNoHearing aids, cochlear implants, ASLSounds are heard but not processed normally, speech sounds distorted, normal OAEs but abnormal ABR
Otosclerosis
Stapes bone in middle earAbnormal bone growth, often hereditaryYes, surgicallyStapedectomy surgery, hearing aidsClassic cause of conductive loss in young adults, more common in women, can progress during pregnancy
Meniere's Disease
Inner ear (fluid imbalance)Endolymphatic hydropsFluctuatesLow-salt diet, diuretics, injections, surgeryClassic triad of hearing loss, vertigo, and tinnitus, episodic and progressive
Acoustic Neuroma
Vestibulocochlear nerve (tumor)Benign schwannomaPartial with treatmentObservation, radiation, microsurgeryUnilateral hearing loss with tinnitus, rare but important to rule out with MRI
Ototoxic Hearing Loss
Cochlear hair cellsDrugs: aminoglycosides, cisplatin, high-dose aspirinSometimes reversible, often notDiscontinue drug if possible, hearing aidsDrug-induced, chemotherapy drug cisplatin is major offender in cancer patients
Congenital Hearing Loss
Various (cochlea most common)Genetic, prenatal infection, birth complicationsNoHearing aids, cochlear implants, early interventionDetected via universal newborn screening, early intervention critical for speech development
Central Auditory Processing Disorder
Central auditory pathways and brainDevelopmental, head injury, neurological diseaseNo (managed)Auditory training, FM systems, environmental modificationsNormal hearing thresholds but difficulty understanding speech, especially in noise, often confused with ADHD
Unilateral Hearing Loss
One ear onlyVarious (mumps, trauma, acoustic neuroma)RarelyCROS hearing aid, bone-anchored hearing aidDifficulty localizing sound and hearing in noise, often undiagnosed in children
Tinnitus-Associated Hearing Loss
Cochlear hair cells and auditory cortexNoise damage, aging, often with NIHLNoSound therapy, CBT, hearing aidsRinging or buzzing perceived without external sound, affects ~15% of adults, no cure but manageable

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