Otitis externa is an infection of ear canal that is often referred to as swimmers ear. It can be caused by an infection or an allergic reaction within the outer ear. A mild form of the condition can result in a single spot occurring that causes localised pain, but which disappears when the spot bursts. More serious cases involve the spread of the condition to the outer ear and scaly skin being produced. There is also the possibility that pus and other discharge can occur as well. Localised cases will normally heal of their own accord, but if it is acute and continues then antibiotics and professional cleaning of the ear will often be prescribed.
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