You can also be infected if hairspray or other liquids get into the ear canal. The bacteria (and occasionally fungi) that cause an outer ear infection don't. Jul 7, - Fungal ear infection is an infection of the ear with a fungus. It normally involves the canal that runs from the ear hole to the eardrum (the external auditory canal). The medical term for it is otomycosis.Ear Infection (Otitis Externa) · Ear Infection (Otitis Media) · Boil in the Ear Canal.