By Jenn Schumacher, AuD
Manager, Medical Communications for GN Hearing
You might think it’s harmless, but digging in your ears with your fingernails can cause serious harm, from tiny scratches to infections, and even long-term hearing issues.
“In the US, cerumen (earwax) impaction leads to millions of doctor visits annually, and a large share of these cases stem from people probing their ear canals with objects that aren’t meant to go inside them, such as their fingers.”
Dr. Jenn Schumacher, Audiologist at ReSound, explains why your ears are designed to take care of themselves, and why using fingernails to clean them can be both counterproductive and risky.
Your fingernails can easily damage the ear canal
The skin inside the ear canal is extremely thin and delicate. Even short or smooth fingernails can cause tiny scratches or abrasions, especially if you’re digging or applying pressure. These small injuries create an opening for bacteria, significantly increasing the risk of infections like otitis externa, also known as swimmer’s ear.
Because these scratches are so small, people often don’t realize they’ve caused damage until pain, swelling, or discharge develops days later. By that point, the irritation can already be well established and harder to treat.
Earwax isn’t dirt, it’s part of your ear’s defense system
There’s a widespread misconception that earwax means poor hygiene, but in reality, cerumen is essential. It traps dust, debris, and microorganisms, keeps the ear canal moisturized, and has antibacterial properties that help protect against infection.
The ear is designed to clean itself. Normal jaw movements from talking and chewing help move earwax outward naturally, where it dries up and falls away. When we interfere with that process, we disrupt the ear’s natural balance.
Digging with your nails often makes wax problems worse
When people use their fingernails to remove wax, they usually push it deeper into the ear canal. This can lead to your ear becoming plugged up with wax, which causes muffled hearing, a feeling of fullness, ringing in the ears, and sometimes dizziness or discomfort.
In the US, impacted earwax is one of the most common reasons patients seek professional ear care. In many cases, the blockage could have been avoided if the ear canal had been left alone.
Scratching can trigger a cycle of irritation and overproduction
Many people start using their fingernails because their ears feel itchy. But scratching actually irritates the skin further, which increases inflammation and can stimulate the ear to produce even more wax as a protective response.
This creates a cycle where the ears feel itchier and more blocked over time. The more someone scratches, the more sensitive the ear canal becomes, raising the risk of recurring infections and chronic irritation.
Safe ear care means leaving the ear canal alone
The safest approach to ear care is very simple. Never insert anything into your ear canal, not fingernails, not cotton swabs, and not tools marketed for ear cleaning, even if they’re labelled as ‘safe’.
At home, limit cleaning to the outer ear only, using a warm, damp washcloth. If you experience persistent itching, pain, ringing, drainage, or changes in hearing, those are signs to see a healthcare professional rather than trying to solve the problem yourself.
Your ears are built to protect and maintain themselves. Using your fingernails interferes with that natural system and puts your hearing at unnecessary risk. Protecting your ears starts with understanding that less intervention is often better.
