The same discussion takes place in clinics all over the nation each summer. When a child returns from the pool, they pull at their ear and complain that it hurts. A parent tilts their head, hops on one foot, and waits, assuming it’s water. The ear is swollen, red, and leaking something the following morning that wasn’t there the night before. The window for simple treatment has shrunk, and what was once a minor annoyance has turned into swimmer’s ear.
There is more to the confusion between swimmer’s ear and water in the ear than meets the eye. It’s a medical one. After swimming, water typically drains out of the ear canal on its own in a matter of minutes or hours. That muffled feeling, that fleeting little pressure. The ear of a swimmer is distinct. It arises when water remains in the canal long enough to remove the ear’s natural barrier, the slow-moving earwax and slightly acidic environment that prevent bacteria from growing.
When that barrier is removed, bacteria grow quickly in the warm, humid environment, and you are now dealing with an active outer ear canal infection rather than just some leftover pool water.
To distinguish between the two, there is a physical test that is nearly infallible. Pulling on the earlobe has little effect when there is water in the ear. With swimmer’s ear, that same tug produces a sharp, immediate pain the inflamed skin of the canal reacts to any movement near the ear opening. That detail alone can save a family from spending three days treating the wrong thing.
It’s also important to understand that swimmer’s ear can develop in other ways besides swimming. Using cotton swabs to “clean” the ear, wearing earbuds or hearing aids for extended periods, or even showering frequently in humid conditions can all do the same damage. In that sense, the name is somewhat deceptive. Moisture, not the pool itself, is the real offender.
The fact that some symptoms actually overlap makes this more difficult. Temporary hearing loss may result from either condition. Both are uncomfortable. Swimmer’s ear typically manifests as itching, visible redness at the canal entrance, occasionally a foul-smelling discharge, and pain that gets worse when the outer ear is touched. The type of middle ear infection that frequently follows a cold is deeper, behind the eardrum, and typically manifests as fever, sleep disturbances, and a more widespread, systemic illness in the child. The ear of a swimmer is localized. The ear is the exact location of the suffering. Most of the time, the rest of the child is okay.
Making the correct distinction is crucial to the course of treatment. Swimmer’s ear responds well to antibiotic ear drops, sometimes combined with a mildly acidic solution to restore the canal’s environment. These drops can’t cross the eardrum, which means they’re useless for a middle ear infection. Many middle ear infections are viral and will go away on their own, but oral antibiotics might be necessary if bacteria are the cause. Treating someone incorrectly is more than just a waste of time. It can sometimes make things worse and postpone healing.
For swimmer’s ear specifically, it’s possible to prevent it with a few straightforward habits. After swimming, tipping the head to allow water to drain, gently towel-drying the ears, and avoiding cotton swabs which tend to push wax deeper rather than remove it all make a big difference. After swimming, apply homemade drops of equal parts rubbing alcohol and white vinegar to help evaporate any remaining moisture and acidify the canal. Although it’s an easy step, most families are unaware of it until after the initial infection.
Seeing this kind of confusion recur every summer gives me the impression that the condition suffers primarily from its colloquial name. “Swimmer’s ear” sounds almost minor. A little water, a little issue. But an untreated case can develop into something significantly more painful, and in rare circumstances, more serious. Knowing the difference and knowing it before the ear canal is already inflamed is genuinely useful knowledge to have before the pool season starts.
i) https://www.allinahealth.org/healthysetgo/prevent/swimmers-ear-vs-ear-infection-four-ways-to-spot-the-difference
ii) https://www.specsavers.co.uk/ear-health/swimmers-ear-otitis-externa
iii) https://www.entmemphis.com/swimmers-ear-vs-regular-ear-infections-how-to-know-the-difference/