Every type of hearing loss may have many different causes. Exposure to loud noise is a common cause of hearing loss and tinnitus. Infections are a common cause too, as well as genetic abnormalities, heredity, adverse reaction to medicines and, especially, chemotherapy and cancer treatment.
Listed below are the different causes of each type of hearing loss:
Causes of sensorineural hearing loss (SNHL):
- Aging
- Injury
- Exposure to excessively loud noise
- Viral infections (such as measles and parotitis)
- Herpes
- Ototoxic medication (hearing-damaging medication)
- Meningitis
- Diabetes
- Stroke
- High fever or increased body temperature
- Meniere’s disease
- Acoustic tumors (Neurinoma)
- Heredity
- Pregnancy
- Smoking
- High blood pressure (Hypertension)
Causes of conductive hearing loss are typical “obstructions” such as:
- Infections of the ear canal or middle ear that result in exuding fluids or pus
- Drilling or wounding of the tympanic membrane
- Cerumen buildup
- Displacement of auditory ossicles
- Foreign body in the ear canal
- Otosclerosis (abnormal bone growth in the ear canal)
- Abnormal lesions or tumors