Swimmer’s ear (also known as Otitis Externa) is an infection or inflammation of the outer parts of ear- involving the canal between the outer ear and eardrum. It is usually due to a bacterial or fungal infection. While it is commonly known as Swimmer’s Ear, you don’t have to go swimming to get it- there are other possible triggers. In this section we look at the common causes of Swimmer’s Ear and how it is treated.