Swimmer’s ear, or otitis externa, is an infection of the outer ear canal, often triggered by water that remains in the ear after swimming. This moisture creates an ideal environment for bacteria and fungi to grow.

“Swimmer’s ear isn’t caused by water itself but by bacteria that thrive in moist conditions,” says Ryan Logan, a physician assistant at Tidelands Health ENT Associates at Murrells Inlet.

Swimmer’s ear symptoms can range from mild to severe:

• Itching or burning in the ear canal
• Redness or swelling around the ear
• Foul-smelling drainage or pus
• Pain when touching the ear or pulling on it
• Muffled hearing or a plugged sensation

For most people, precautions are not necessary to prevent swimmer’s ear.

If swimmers have recurring infections, wearing custom-fitting earplugs may be beneficial.

Swimming in dirty water, like the storm runoff water at the beach or a pond, may increase the risk of developing swimmer’s ear, Logan says. These areas are prone to harboring bacteria, which can become trapped in the ear canal.

Using Q-tips to clean your ears can also increase your risk. Earwax is your natural barrier against infection, and Q-tips can strip that protection, plus cause a whole host of other problems.

“One safe thing you can do at home is to use a hair dryer on the cool setting outside the ear for a few minutes to help dry the ear canal,” Logan says.

Swimmer’s ear is best treated with prescription antibiotic drops. Over-the-counter remedies can worsen symptoms.

“Never use hydrogen peroxide in the ear unless directed by your provider,” Logan says.

If you have symptoms of an ear infection or ear pain persists, make an appointment with your primary care provider.