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Swimmer's ear

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Introduction
Otitis externa is a condition that causes inflammation (redness and swelling) of the external ear canal, which is the tube between the outer ear and eardrum.
Symptoms of otitis externa
Otitis externa can cause a number of different symptoms affecting the ear and the surrounding area.
Causes of otitis externa
There are several different causes of otitis externa, as well as a number of things that make it more likely to occur.
Treating otitis externa
Otitis externa can usually be treated effectively with ear drops prescribed by your GP and some simple self-care techniques.
Complications of otitis externa
Although complications associated with otitis externa are uncommon, there is small risk of further problems developing.
Preventing otitis externa
It's not always possible to prevent otitis externa, but there are several things you can do to reduce your risk of developing the condition.
See what the doctor sees with Map of Medicine
See what your doctor sees, find out what is happening with your Otitis externa treatment and what the next steps might be.