Edema: The outer infection causes two things... Edema (congestion of the lymphatics) and drainage, bot of which cause the swelling. If it is to that point, you need antibiotics.
Answered 4/27/2016
6.3k views
Otitis externa: An outer ear infection (or swimmers ear) can be quite painful and causes swelling of the ear canal and outer ear and lobe (in some cases). These infections require drops at a minimum and may require oral antibiotics.
Answered 9/13/2016
6.1k views
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