Is it earwax or hearing loss? How to tell the difference

Noticing muffled or reduced hearing can be frustrating and concerning, especially when it seems to come on unexpectedly. Many people immediately wonder whether the issue is something simple—like earwax buildup—or a sign of hearing loss. Because the symptoms can feel similar, it’s not always easy to tell the difference on your own. 

Earwax and hearing loss are two very common causes of hearing changes, and both can affect how clearly you hear everyday sounds. Understanding how each typically presents, how symptoms progress, and why self-diagnosis can be misleading can help you decide when it’s time to seek professional guidance. 

• What symptoms are commonly caused by earwax buildup?
• What symptoms are more likely linked to hearing loss?
• Is your muffled hearing due to earwax or hearing loss?
• Why is it difficult to self-diagnose hearing changes?
• Determining the cause of muffled hearing

Note: Our Hearing Care Providers (HCPs) are here to support your hearing health and provide personalized guidance. However, if you're concerned about medical issues affecting your hearing, always consult your healthcare provider first. 

What symptoms are commonly caused by earwax buildup? 

Earwax plays an important role in protecting the ear, but when it builds up instead of clearing naturally, it can interfere with hearing. Symptoms related to earwax buildup are often linked to a physical blockage in the ear canal and may appear suddenly or fluctuate.  

Common symptoms of earwax buildup include: 

• A sensation of blocked or plugged ears, similar to having water trapped inside.
• Muffled or reduced hearing that may improve or worsen depending on head position.
• A feeling of fullness or pressure in the ear.
• Temporary hearing changes after swimming, showering, or using earbuds.
• Occasional ringing or discomfort, especially if wax presses against the ear canal.

These symptoms often affect one ear more than the other and may come and go as the earwax shifts. 

What symptoms are more likely linked to hearing loss? 

Hearing loss usually develops differently than earwax-related hearing changes. Rather than feeling blocked, hearing loss often affects how clearly sounds are processed, particularly speech.  

Symptoms more commonly associated with hearing loss include: 

• Difficulty understanding speech, especially in conversations or group settings.
• Trouble hearing in noisy environments, such as restaurants or social gatherings.
• Frequently turning up the volume on TVs, phones, or radios.
• Feeling that people are mumbling, even when they’re speaking clearly.
• Gradual changes over time, rather than sudden or fluctuating hearing loss.

Hearing loss often affects both ears and tends to progress slowly, which can make it harder to notice at first. 

Is your muffled hearing due to earwax or hearing loss? 

While both earwax buildup and hearing loss can cause muffled hearing, the experience often feels different over time. With earwax, muffling is usually related to a physical blockage. Sounds may feel dull, distant, or “plugged,” and the sensation can change depending on movement, pressure, or moisture. 

Hearing loss, on the other hand, is less about blockage and more about clarity. Sounds may be audible but harder to understand, particularly speech. The muffling tends to be consistent rather than fluctuating, and increasing volume doesn’t always make things clearer. 

That said, these patterns aren’t always clear-cut. Some people have both earwax buildup and hearing loss at the same time, which can make symptoms overlap and feel confusing. 

Why is it difficult to self-diagnose hearing changes? 

Many people try to determine the cause of hearing changes on their own, but this can be challenging—and sometimes misleading. Reasons self-diagnosis is difficult include: 

• Overlapping symptoms, such as muffled hearing or ringing.
• Gradual progression, especially with hearing loss, making changes harder to notice.
• Assumptions, like believing hearing changes are “just earwax”.
• Temporary improvement, which can mask an underlying issue.
• Coexisting conditions, where earwax and hearing loss occur together.

Because these factors can blur the lines between causes, guessing often delays getting the right support. 

Determining the cause of muffled hearing 

When hearing changes affect your daily life, the most reliable way to understand what’s happening is through a professional hearing assessment. Rather than relying on symptoms alone, an evaluation allows the underlying cause—whether earwax buildup, hearing loss, or a combination of factors—to be identified accurately. 

Key takeaways 

• Earwax buildup often causes a blocked or plugged sensation and fluctuating hearing.
• Hearing loss usually affects clarity and develops gradually over time.
• Muffled hearing can feel similar with both conditions.
• Self-diagnosis is difficult because symptoms often overlap.
• A professional assessment provides clarity and direction.

If you’re experiencing muffled or reduced hearing and aren’t sure what’s causing it, support is available. You can book a free hearing test or find a Connect Hearing clinic near you to get answers and personalized guidance from a Hearing Care Provider (HCP).