In adults, the most common causes of
hearing loss are:
Noise. Noise-induced hearing loss can affect
people of all ages and most often develops gradually over many years. Over
time, the noise experienced at work, during recreation (such as riding
motorcycles), or even common chores (such as using a power lawn mower) can lead
to hearing loss.
age-related hearing loss (presbycusis), changes in the
nerves and cells of the
inner ear that occur as you get older cause a gradual but steady hearing loss.
The loss may be mild or severe, but it is always permanent.
Other causes of hearing loss include:
or an object in the ear. Hearing loss because of earwax is common and easily
Ototoxic medicines (such as certain antibiotics) and
other substances (such as arsenic, mercury, tin, lead, and manganese) that can
damage the ear.
M�ni�re's disease. M�ni�re's disease
may result in temporary or permanent hearing loss.
(benign) growths in the ear canal, such as exostoses, osteomas, and glomus
tumors. Exostoses are bone growths that often develop when the ear canal is
repeatedly exposed to cold water or cold air. Osteomas and glomus tumors are
noncancerous tumors. These all can cause hearing loss if they block the ear
canal. A glomus tumor that occurs elsewhere in the head can also affect
Other medical conditions that do not affect the ear
directly may also cause hearing loss.