Question

What are the usual causes of partial hearing impairment?

Answer 1

Each type of hearing loss may have several different causes. Exposure to loud noise is a common cause of both hearing loss and tinnitus. Infections are also a common cause, as are birth defects, genetics and reaction to drugs, especially chemotherapy or drugs used for cancer treatment.

Here are the different causes of each type of hearing loss.

Causes of sensorineural hearing loss:

Aging
Injury
Excessive noise exposure
Viral infections (such as measles or mumps)
Shingles
Ototoxic drugs (medications that damage hearing)
Meningitis
Diabetes
Stroke
High fever or elevated body temperature
Ménière's disease (a disorder of the inner ear that can affect hearing and balance)
Acoustic tumors
Heredity
Obesity
Smoking
Hypertension
Causes of conductive hearing loss are typically “obstructions” such as:

Infections of the ear canal or middle ear resulting in fluid or pus buildup
Perforation or scarring of the eardrum
Wax buildup
Dislocation of the middle ear bones (ossicles)
Foreign object in the ear canal
Otosclerosis (an abnormal bone growth in the middle ear)
Abnormal growths or tumors



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