Good advice! And, thank you for correcting me on the geater incidence of bacterial vs. fungal infections in swimmer's ear. For some reason, I have seen more than my share of apparent fungal infection (mycelia with and w/o fungal spores) in kids
swimming in lake water
in the mid-west of the U.S. in the summer months. And, some of those could have been mixed with other microorganisms. On the other hand, it comes as no surprise that for people who swim in or near tropical estuaries, fungal and mixed bacterial-fungal infections of the ear canal
increase in frequency. Any of these can get nasty real fast, and as you say, require medical
attention without delay.
Common swimmer's ear is otitis externa, which does not normally involve the middle ear, and is most often caused by a bacterium, and less commonly by a fungus.