![]() An outer ear infection is usually considered chronic if signs and symptoms persist for more than three months. Long-term infection (chronic otitis externa). ![]() You might have muffled hearing that usually gets better after the infection clears. Swimmer's ear usually isn't serious if treated promptly, but complications can occur. #Swimmers itch cause skin#Ear devices, such as earbuds or hearing aids, which can cause tiny breaks in the skin.Cleaning the ear canal with cotton swabs, hairpins or fingernails, which can cause scratches or abrasions.Exposure to high bacteria levels in contaminated water.Excess moisture in your ear canal from heavy perspiration, prolonged humid weather or water remaining in the ear after swimming.Damage to the sensitive skin of the ear canal that creates an opening for infectionįactors that can increase the risk of swimmer's ear include:.Moisture in the ear canal that creates an ideal environment for bacterial growth.The conditions that often play a role in infection include: If you have swimmer's ear, your natural defenses have been overwhelmed. The outer ear, particularly around the opening of the ear canal, helps prevent foreign bodies from entering.Earwax (cerumen) is an accumulation of this waxy film, dead skin cells and other debris that travels to the opening of the ear canal to keep it clean. A thin, water-repellent, slightly acidic film lines the ear canal and discourages bacterial growth.Your outer ear canals have natural defenses that help keep them clean and prevent infection. ![]() It's less common for a fungus or virus to cause swimmer's ear. Swimmer's ear is an infection that's usually caused by bacteria.
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