Swimmer's Ear: Causes, Treatments, and How to Prevent It

When you get swimmer's ear, a painful infection of the outer ear canal often triggered by moisture. Also known as otitis externa, it’s not the same as a middle ear infection—it happens right where water gets stuck after swimming or showering. You don’t need to be a competitive swimmer to get it. Even a few minutes in a pool, hot tub, or lake can leave enough moisture behind to turn your ear canal into a breeding ground for bacteria or fungi.

It starts with itching, then builds to pain that gets worse when you tug on your earlobe or chew. Some people feel fullness in the ear, or notice drainage. If left alone, it can become severe enough to block your ear canal or spread to nearby tissue. The good news? Most cases clear up quickly with prescription ear drops, antibiotic or antifungal solutions applied directly to the infected area. These aren’t the same as over-the-counter drops for wax or congestion—they’re targeted treatments that kill the infection at its source.

Prevention is easier than you think. After swimming, tip your head to each side to drain water. Use a soft towel to gently dry the outer ear. Some people find relief with a homemade solution of equal parts white vinegar and rubbing alcohol—this helps restore the ear’s natural acidity and dry out leftover moisture. Avoid cotton swabs. They scrape the delicate skin inside the ear canal and push debris deeper, creating the perfect spot for infection to take hold.

People with eczema, psoriasis, or narrow ear canals are more prone to swimmer's ear. So are those who use hearing aids or earbuds often—they trap moisture and irritate the skin. If you’ve had it before, your doctor might recommend preventive drops before swimming. And if you’re on a cruise or traveling, knowing where to find medical care matters—some places don’t carry the right drops, and delays can make things worse.

What you’ll find here are real, practical guides on how to treat swimmer's ear safely, what to avoid, and how to keep it from coming back. You’ll see how it connects to other ear conditions, what medications work best, and why some home remedies do more harm than good. No fluff. Just clear advice based on what actually helps people get back to normal—fast.

Otitis Externa: Swimmer’s Ear Causes and the Drops That Actually Work
November 27, 2025 Jean Surkouf Ariza Varela

Otitis Externa: Swimmer’s Ear Causes and the Drops That Actually Work

Otitis externa, or swimmer’s ear, is a painful ear infection caused by moisture and bacteria. Learn the real causes, which ear drops actually work, how to use them correctly, and how to prevent it from coming back.

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