The most common cause of otitis externa is a bacterial infection, although fungal overgrowth is a principal cause in 10 percent of cases. 4 Otitis externa can also result from any of a broad range of noninfectious dermatologic processes. 1 мар. 2001 г.
How do you get otitis externa?
Otitis externa, also called swimmer's ear, is an inflammation, irritation, or infection of the external ear canal. Swimmer's ear is caused by fungi or bacteria. Water that remains trapped in the ear canal (when swimming, for example) may provide a source for the growth of bacteria and fungi.
What is the cause of otitis?
Otitis media is inflammation or infection located in the middle ear. Otitis media can occur as a result of a cold, sore throat, or respiratory infection.
Who is at risk for otitis externa?
Damage to the ear canal as a result of excessive scratching, the use of cotton ear swabs or long-term use of earbuds, for example, may increase the risk of otitis externa. Skin conditions. In addition to seborrhoeic dermatitis, skin conditions such as acne, eczema or psoriasis, can make otitis externa more likely.
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