Impacted cerumen is earwax that has built up enough to cause symptoms like hearing loss, ear fullness, or pain, or to block a doctor’s view of your ear canal and eardrum. Complete blockage isn’t required for a diagnosis. If the wax is causing problems or preventing an exam, it counts as impaction. It accounts for roughly 12 million medical office visits in the United States each year.
How Your Ears Normally Clean Themselves
Your ear canal has a built-in cleaning system. The skin lining the canal slowly migrates outward, carrying old wax, dead skin cells, and debris toward the ear opening. This process works through two mechanisms: new skin cells push older ones forward, and individual cells actively crawl outward using tiny internal protein structures. It’s slow and invisible, but it works continuously.
Impaction happens when this conveyor belt fails or gets overwhelmed. Aging skin loses some of its ability to migrate. Inflammation from infections or skin conditions can disrupt the process. Narrowed or unusually shaped ear canals give wax less room to travel. And perhaps most commonly, people interfere with the system by pushing objects into the canal.
Common Causes and Risk Factors
Cotton swabs are the most frequent culprit. Rather than removing wax, they push it deeper toward the eardrum, compacting it into a dense plug that the ear can’t clear on its own. Swabs can also injure the three tiny bones in the middle ear that transmit sound. Other objects like bobby pins, keys, or ear-cleaning gadgets sold online carry the same risks.
Hearing aids and earbuds create a physical barrier that traps wax inside the canal and stimulates the glands to produce more of it. People who wear hearing aids daily are especially prone to recurrent impaction. Older adults face a double risk: their earwax glands produce drier, harder wax that doesn’t migrate as easily, and the ear canal’s self-cleaning mechanism slows with age. People with narrow or hairy ear canals, those with skin conditions like eczema, and people who work in dusty environments also develop impaction more frequently.
Symptoms to Recognize
The most common symptoms are a feeling of fullness or pressure in the ear and gradual hearing loss on the affected side. Many people describe it as hearing through a pillow. Other symptoms include:
- Tinnitus: ringing, buzzing, or humming sounds in the ear
- Earache: dull pain or pressure, sometimes extending to the jaw
- Dizziness or vertigo: because the ear canal sits close to the balance organs
- Itchiness inside the ear
- Discharge or odor from the ear
- Cough: a reflex triggered by stimulation of a nerve branch in the ear canal
Symptoms can appear in one or both ears and often develop gradually, making them easy to dismiss. The hearing loss is almost always reversible once the wax is removed.
How It’s Diagnosed
Diagnosis is straightforward. A clinician looks into the ear with an otoscope, a handheld device with a light and magnifying lens, and directly sees the wax blocking the canal. No imaging or blood tests are needed. The key question isn’t just whether wax is visible but whether it’s causing symptoms or preventing the doctor from seeing the eardrum. Wax sitting quietly in the canal without causing trouble doesn’t need treatment.
How Impacted Earwax Is Removed
Three main methods are used, and research shows they’re roughly equally effective. In a randomized trial comparing different techniques, about 61% of ears were successfully cleared regardless of method. The choice typically depends on what’s available, the patient’s anatomy, and the clinician’s preference.
Irrigation involves flushing the ear canal with warm water using a syringe or specialized spray device. It’s the most common office method. The water pressure loosens and floats the wax out. It takes the longest (around 4 to 5 minutes per ear in studies) and is more likely to be stopped early due to discomfort. It’s generally avoided if you have a hole in your eardrum, an active ear infection, or tubes in your ears.
Manual removal with a curette uses a small, looped instrument to scoop wax out under direct vision. It’s the fastest method, averaging under 2 minutes, and gives the clinician the most control. It requires a cooperative patient who can stay still.
Microsuction uses a tiny vacuum tip to suction wax out of the canal, often performed by ear, nose, and throat specialists. It’s precise and works well for hard, dry wax. It can be noisy and occasionally causes brief dizziness.
Adverse events from any method are uncommon. When they do occur, they’re typically minor canal abrasions with minimal bleeding.
Earwax Softening Drops
Over-the-counter ear drops can soften wax before a clinic visit or sometimes resolve mild impaction on their own. The most common active ingredient is carbamide peroxide at 6.5% concentration, which foams gently on contact to break up the wax. Other options include mineral oil, baby oil, glycerin, and saline solutions. You tilt your head, place a few drops in the affected ear, wait several minutes, then let the liquid drain out.
These drops work best on softer wax. Hard, dense plugs that have been building for months often need professional removal. If drops cause pain, increased pressure, or drainage, stop using them.
Ear Candling and DIY Tools
Ear candling, where a hollow cone is lit on fire while placed in the ear, does not remove wax. Studies have consistently shown it produces no suction and leaves behind candle wax residue that can actually worsen blockage. It also carries a real risk of burns and eardrum perforation. Most over-the-counter ear-cleaning gadgets promoted on social media lack evidence of safety or effectiveness.
Preventing Recurrence
The simplest prevention strategy is to stop putting things in your ears. The outer ear can be wiped with a damp cloth after showering, but the canal itself should be left alone. For people prone to recurrent impaction, periodic use of softening drops (a few drops of mineral oil once a week, for example) can keep wax from hardening and building up.
If you wear hearing aids, daily cleaning makes a significant difference. Most hearing aids come with a small brush for sweeping debris off the microphone and shell, and a wax pick (a tiny wire loop) for clearing the receiver opening. Turning the hearing aid upside down while brushing the microphone port lets loose debris fall away rather than getting pushed deeper. Many modern hearing aids also have replaceable wax guards or filters that catch cerumen before it reaches the internal components. Replacing these regularly keeps the device working properly and reduces the amount of wax that gets pushed back into your canal each time you insert the aid.
People with a history of repeated impaction may benefit from scheduled cleaning visits every 6 to 12 months, particularly older adults and hearing aid users, so wax can be removed before it becomes symptomatic.