Blocked ears after swimming are usually caused by trapped water or swollen earwax, not a serious problem. Most cases clear within a few hours as the water drains or evaporates. If the blockage lasts more than 48 hours, or comes with pain, itching or discharge, it is worth getting your ears checked by a hearing specialist.
Why swimming causes blocked ears
The ear canal is not a straight tube. It curves and narrows on its way to the eardrum, which makes it easy for water to become trapped rather than draining straight out after a swim. This happens to almost everyone from time to time, whether you have been in a pool, the sea, a lake, or even just a long bath or shower.
The problem tends to be worse for people who already have a build-up of earwax. Wax is naturally waterproof to a degree, but when water sits against it for a while, it can soften and swell. This swollen wax then blocks the canal even more effectively than the water alone, which is why some people find their ears feel blocked for far longer after swimming than others.
What causes blocked ears after swimming?
There are two main causes, and they often overlap. The first is simple trapped water, which sits in the curve of the canal and creates that familiar sloshing, muffled sensation. The second is earwax that has softened and swollen after contact with water, which can block the canal more stubbornly and take longer to clear.
A third possibility, and one worth knowing about, is swimmer’s ear, medically known as otitis externa. This is an infection or inflammation of the outer ear canal that can develop when moisture sits in the ear for too long. The warm, damp environment created by trapped water is ideal for bacteria or fungi to grow, which is why swimmer’s ear is particularly common among regular swimmers. It is different from a middle ear infection and specifically affects the outer canal, the tube running from the outside of the ear to the eardrum.
How long does it take for blocked ears to clear?
Trapped water on its own usually clears within minutes to a few hours as you move your head and let gravity do the work. If earwax is also involved, it tends to take longer, since the wax needs to soften and shift before the blockage properly clears.
As a general guide, most cases of trapped water resolve within a day at most. If your ears are still blocked after 48 hours, that is a reasonable point to take it more seriously, particularly if the sensation is not improving or is joined by any pain. Left untreated, swimmer’s ear specifically can take several weeks to clear fully, so it is worth seeking advice early rather than waiting to see if it settles on its own.
How can I safely clear water from my ears?
A few simple techniques usually do the job for straightforward trapped water:
- Tilt your head to the side and gently tug your earlobe to help straighten the canal
- Lie on your side for a few minutes with your head resting on a towel or pillow, allowing the water to drain naturally
- Yawn or chew to open the Eustachian tubes, then tilt your head to the side
- Cup your palm over the ear and gently push and release to create a light vacuum that helps draw the water out
- Pinch your nose and gently exhale to help open the Eustachian tubes, particularly useful if the blocked feeling is linked to pressure rather than water alone
What to avoid is just as important. Cotton buds, hairpins, or anything else inserted into the ear canal should never be used to try to clear blocked ears. These can push wax or water further in rather than out, and carry a real risk of scratching the delicate skin of the canal or damaging the eardrum.
Could it be earwax rather than water?
If the blocked feeling does not shift after a day or two, swollen earwax is a more likely explanation than water alone. This is particularly common in people who already have a tendency towards wax build-up, or who regularly use earbuds or hearing aids, both of which can push wax further into the canal over time and make natural clearing harder.
The tricky part is that trapped water and swollen wax feel very similar from the inside, both producing that muffled, blocked sensation. This is where a proper check makes the difference. A hearing specialist can look directly into the ear canal and tell you within minutes whether the issue is water, wax, the early stages of an infection, or something else entirely, and remove any problematic wax safely if needed.
When should you see a hearing specialist?
It is worth booking an appointment if you notice any of the following:
- Blocked or muffled hearing lasting more than 48 hours
- Ear pain, itching, swelling or discharge
- A sensation that is getting worse rather than better over time
- Blocked ears that happen repeatedly after swimming, suggesting an underlying wax issue
- Any ringing, buzzing or other unusual sounds alongside the blocked feeling
Ignoring ongoing blockage is not usually dangerous in the short term, but it can allow wax to build up further or give an infection the chance to take hold. Getting it checked early generally means a quicker, simpler resolution than waiting until symptoms become more severe.
Preventing blocked ears when you swim
If blocked ears after swimming are a regular occurrence for you, a few preventative steps can make a real difference. Well-fitted earplugs designed for swimming reduce the amount of water that gets into the canal in the first place, and a swim cap that covers the ears offers an extra layer of protection, particularly for open water swimming. After swimming, gently drying the outer ear with a soft towel, rather than inserting anything into the canal, helps remove surface moisture without pushing water further in.
If you know you are prone to wax build-up, mentioning this to a hearing specialist ahead of a holiday or a season of regular swimming can also help. A quick check and, if needed, professional removal of excess wax beforehand can reduce the chances of troublesome blockages once you are back in the water regularly.
Frequently asked questions
Is it normal for ears to feel blocked after every swim? Occasional blockage after swimming is common and usually harmless. If it happens every time you swim, or takes noticeably longer to clear than it used to, it is worth having your ears checked in case earwax is contributing to the problem.
Can I use olive oil drops if my ears feel blocked after swimming? Olive oil drops can help soften earwax at home, but they will not clear trapped water on their own and should not be used if you suspect an infection or have any pain, swelling or discharge.
Should I use cotton buds to dry my ears after swimming? No. Cotton buds can push wax and debris further into the canal and risk damaging the eardrum. Gently drying the outer ear with a towel is a safer approach.
Can wearing earplugs prevent blocked ears when swimming? Yes. Well-fitted earplugs, and a swim cap for open water, can significantly reduce the amount of water entering the ear canal, lowering the risk of both blockage and infection.
How do I know if it’s swimmer’s ear rather than just trapped water? Trapped water usually clears within hours and does not cause pain. Swimmer’s ear tends to involve pain, itching, swelling, or discharge, and does not improve on its own the way trapped water does. If you notice any of these symptoms, it is worth getting checked rather than waiting.
Book an ear check
If your ears are still blocked after swimming, or you think earwax might be part of the problem, book an appointment with Carolina Leal Hearing Solutions in Leamington Spa.