But it’s important to note hearing loss can have many different causes.
Sudden hearing loss in one ear may be due to earwax, an infection, a perforated (burst) eardrum or Menierer’s disease, advises the NHS.
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Sudden hearing loss in both ears may be due to damage from a very loud noise, or taking certain medicines that can affect hearing.
Gradual hearing loss in one ear may be due to something inside the ear, such as fluid (glue ear), a bony growth (otosclerosis) or a build-up of skin cells (cholesteatoma).
Source: Daily Express