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What is Crackling in the Ear?: How is it caused, what's the treatment, and what can I do about it?

Kimberley Bradshaw - Head of Marketing
Written By:
Kimberley Bradshaw

Head of Online Medical Content

Updated: 26th July 2025
What is crackling in the ear?

Crackling in the Ear

What’s behind that odd crackling sound?

 

Overview    |    Causes    |    Symptoms    |    How to tackle it    |    When to seek help    |    Prevention    |    Conclusion

 

Overview

Crackling in the ear is often caused by Eustachian tube issues, such as pressure changes, infections, earwax build-up, or jaw problems. It’s usually harmless, but if accompanied by pain, hearing loss, or dizziness, it may require a trip to your local GP.

Simple remedies like swallowing or yawning can help, and preventing crackling involves protecting your ears and maintaining good hygiene.

 

What is that crackling sound in your ear?

Have you ever experienced that odd, unsettling crackling sound in your ear, especially when you swallow, yawn, or perhaps experience a change in altitude?

It's a weird sensation that can leave you wondering whether it’s something serious or not.  Let’s look at the symptoms and causes to see what might be going on.

 

What causes crackling in the ear?

Crackling in the ear is usually related to the Eustachian tube, which is the small passage that links your middle ear to the back of your nose and throat.

Its main job is to equalise pressure between your middle ear and the outside environment, helping to maintain balance and hearing clarity.

When this tube becomes clogged or blocked, you may hear a crackling, popping, or a feeling of fullness in the ear. This can happen for several reasons, including:

 

  • Changes in pressure: Quick altitude changes, such as on a flight, driving through mountains, or even swimming, can cause the Eustachian tube to temporarily have issues, leading to a crackling sound.
  • Cold or sinus infections: When you're under the weather, mucus can build up in the Eustachian tube, blocking airflow and causing the popping or crackling noise.
  • Earwax build-up: Sometimes, excessive earwax can block the ear canal, leading to such noises as the sound waves struggle to pass through.
  • TMJ (Temporomandibular Joint) issues: The muscles around the jaw are closely linked to the ear canal. If you have a jaw problem, like teeth grinding or jaw clenching, it may cause popping or crackling sounds in the ear.

 

Symptoms of ear crackling

Ear crackling can be an unsettling experience that often comes with a variety of symptoms that affect how you perceive sound and feel within your ear.

Understanding these common signs can help you understand what might be causing the crackling and when it’s important to seek medical advice. Below are some of the typical symptoms associated with ear crackling to watch out for:

 

  • Popping or crackling sounds:  Often heard when swallowing, yawning, or changing altitude.
  • Feeling of fullness or pressure in the ear:  It can feel like the ear is blocked.
  • Muffled or reduced hearing:  Sounds may seem distant or dull.
  • Tinnitus (ringing or buzzing in the ear):  A high-pitched or static-like noise may come with the crackling.
  • Mild discomfort or irritation:  Not usually painful, but may feel annoying or distracting.
  • Fluctuating hearing clarity:  Hearing may change with head movement or jaw motion.
  • Sensation of fluid moving (in some cases):  Especially if you have an ear infection or sinus issue.

 

When is an ear crackling sound something to worry about?

More often than not, a crackling sound in the ear is harmless and goes away on its own.  For instance, when you're on a plane, swallowing or yawning can help open up the Eustachian tube and relieve the pressure you may feel.

However, if the crackling is persistent, painful, or accompanied by other symptoms (such as hearing loss, dizziness, or a feeling of fullness), it could indicate an underlying issue that might need medical attention.

Conditions like ear infections or Eustachian tube dysfunction can sometimes cause long-term or recurring crackling. 

Related reading:  Ear infections

 

How to deal with it

If you’re experiencing crackling now and then, there are several simple remedies to try at home:

  • Swallow or yawn: The act of swallowing or yawning can help open the Eustachian tube, allowing air to flow and balance the pressure in your ear.
  • Valsalva Manoeuvre: This involves gently pinching your nose and blowing through your nostrils (while keeping your mouth shut). It helps force air into the Eustachian tube, equalising the pressure in this area.

Just be careful not to blow too hard, as this can damage your eardrum.

  • Stay hydrated: Drinking plenty of water can help thin the mucus in your sinuses, making it easier for the Eustachian tube to work as it should.
  • Earwax removal: Try using ear drops to soften the wax, or visit your GP or audiologist for a safe ear cleaning procedure.
  • Decongestants or nasal sprays: If the crackling is related to a cold or sinus congestion, over-the-counter decongestants may help reduce the blockage.
  • When in doubt, seek professional advice:  If symptoms persist, consult your GP for a thorough check.

 

How To Deal With Ear Crackling

 

When to seek professional help

If the crackling persists or is accompanied by pain, dizziness, hearing loss, or discharge, it’s best to seek professional advice from your doctor.

If referred, an audiologist or ENT (ear, nose, and throat) specialist can assess the cause and recommend the right treatment.  In some cases, persistent issues with the Eustachian tube may require medical intervention.

Related reading:  Dizziness and hearing loss

 

Prevention and how to keep your ears happy

To minimise the chance of crackling and other ear problems, try these tips:

  • Protect your ears: If you’re exposed to loud noises, always wear ear protection to prevent any damage.
  • Avoid cold air: If you’re prone to sinus infections or colds, try to avoid sudden exposure to cold air, which can trigger ear issues.
  • Maintain good ear hygiene: Don’t stick objects into your ear canal. Regularly clean the outer ear with a damp cloth, and consult a professional for earwax removal if needed.

 

Summary

By maintaining ear hygiene and avoiding long exposure to loud noises or sudden pressure changes, you can keep your ears in tip-top shape and avoid those unexpected crackles.

Crackling in the ear is usually harmless and is often related to changes in pressure or mild congestion.

In most cases, a simple swallow or yawn is all it takes to relieve the discomfort.  However, if the problem persists or is causing distress, it’s always a good idea to consult your local GP to rule out any underlying conditions.

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Still hearing crackling in your ear? Don’t ignore it.

Whether it’s earwax, pressure changes or something more serious, they will help you find the right solution for you.

However, if you have problems with your hearing due to persistent ear issues and have been referred or advised to see an audiologist, we can help you.

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What is the best hearing aid model for me?

In general, any audiologist will always recommend to you the hearing aid model that best suits your needs. Here is a useful checklist to make sure that is the case.

  • Audiologist's level of knowledge: The audiologist you have seen will hopefully have a wide knowledge of all available hearing aids; however, some will only be familiar with a small number of brands and, therefore, may not really be in a position to know which model is the best for you. It is OK to challenge their recommendation and ask them to justify why this particular brand is the one for you.
  • Do research: Read about the hearing aid that was recommended. Does it seem like it will suit your lifestyle? Does it have more or fewer features than you need? 
  • Be aware of sales targets: Many high street retailers have specific tie-ins to a particular manufacturer/brand. The hearing aid they have suggested may still be the correct one for you, but do your research so that you know why they might have recommended it.
Do I need one hearing aid or two?

If you have significant hearing loss in both ears, you should be wearing two hearing aids. Here are the audiological reasons why:

Localisation: The brain decodes information from both ears and compares and contrasts them. By analysing the minuscule time delays as well as the difference in the loudness of each sound reaching the ears, the person is able to accurately locate a sound source. 

Simply put, if you have better hearing on one side than the other, you can't accurately tell what direction sounds are coming from.

Less amplification is required: A phenomenon known as “binaural summation” means that the hearing aids can be set at a lower and more natural volume setting than if you wore only one hearing aid.

Head shadow effect: High frequencies, the part of your hearing that gives clarity and meaning to speech sounds, cannot bend around your head. Only low frequencies can. Therefore, if someone is talking on your unaided side, you are likely to hear that they are speaking, but be unable to tell what they have said.

Noise reduction: The brain has its own built-in noise reduction, which is only really effective when it is receiving information from both ears. If only one ear is aided, even with the best hearing aid in the world, it will be difficult for you to hear in background noise as your brain is trying to retain all of the sounds (including background noise) rather than filtering them out.

Sound quality: We are designed to hear in stereo. Only hearing from one side sounds a lot less natural to us.

Fancy some further reading on this topic?  You can read about why two hearing aids are better than one in our article, hearing aids for Both Ears, here

What are the benefits of rechargeable hearing aids?

For most people, the main benefit of a rechargeable hearing aid is simple convenience. We are used to plugging in our phones and other devices overnight for them to charge up.  Here are some other pros and cons:

For anybody with poor dexterity or issues with their fingers, having a rechargeable aid makes a huge difference, as normal hearing aid batteries are quite small and some people find them fiddly to change.

One downside is that if you forget to charge your hearing aid, then it is a problem that can't be instantly fixed. For most, a 30-minute charge will get you at least two or three hours of hearing, but if you are the type of person who is likely to forget to plug them in regularly, then you're probably better off with standard batteries.

Rechargeable aids are also a little bit bigger and are only available in Behind-the-Ear models.

Finally, just like with a mobile phone, the amount of charge you get on day one is not going to be the same as you get a few years down the line. Be sure to ask what the policy is with the manufacturer's warranty when it comes to replacing the battery.

Are Behind-the-Ear hearing aids better than In-the-Ear hearing aids?

For most people, the answer is yes. But it's never that simple.

The majority of hearing problems affect the high frequencies a lot more than the low ones. Therefore, open fitting hearing aids sound a lot more natural and ones that block your ears up can make your own voice sound like you are talking with your head in a bucket. Therefore, in-ear aids tend to be less natural.

However, the true answer is we can't tell until we have had a look in your ears to assess the size of your ear canal, and until we have tested your hearing to see which frequencies are being affected.

People with wider ear canals tend to have more flexibility, also there are open fitting modular CIC hearing aids now that do not block your ears.

There is also the age-old rule to consider, that a hearing aid will not help you if it's sat in the drawer gathering dust. If the only hearing aid you would be happy wearing is one that people can't see, then that's what you should get.

Most people can adapt to any type of hearing aid, as long as they know what to expect. Have an honest conversation with your audiologist as to what your needs are.

What are channels, and how many do I need?

Generally speaking, six or more. Unless it's none at all.  The number of channels a hearing aid has is often a simplistic way an audiologist will use to explain why one hearing aid is better than another, but channels are complex, and it is really not that straightforward.  Here are some reasons why:

Hearing aids amplify sounds of different frequencies by different amounts. Most people have lost more high frequencies than low, and therefore need more amplification in the high frequencies. The range of sounds you hear is split into frequency bands or channels, and the hearing aids are set to provide the right amount of hearing at each frequency level.

Less than six channels, and this cannot be done with much accuracy, so six is the magic number. However, a six-channel aid is typically very basic with few other features and is suitable only for hearing a single speaker in a quiet room. The number of channels is not what you should be looking at; it's more the rest of the technology that comes with them.

As a final note, different manufacturers have different approaches. One method is not necessarily better than any other. For example, some manufacturers have as many as 64 channels in their top aids. Most tend to have between 17 and 20. One manufacturer has no channels at all.

What's covered in a manufacturer's warranty?​

Manufacturer's warranties typically last between 2-5 years, depending on the brand and model, and cover defects in materials and workmanship. This includes repairs for component failures, electronic malfunctions, and manufacturing defects, but excludes damage from misuse, accidents, or normal wear. Most manufacturers also include loss and damage insurance for the first year.

We handle all warranty claims on your behalf, liaising with manufacturers and ensuring you get replacement devices quickly when needed. This comprehensive warranty coverage, combined with our lifetime aftercare, gives you complete peace of mind.

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Our hearing tests are completely free, whether at our clinics or in your home. Unlike other providers who charge £30-£100 for home visits, we believe hearing healthcare should be accessible without financial barriers. Our comprehensive assessments include examination by a registered audiologist, audiogram results, and personalised recommendations.

All testing, future adjustments, and ongoing support are included at no extra cost. While NHS tests are also free, typical 6-week waiting periods often lead people to seek immediate private testing. We provide prompt, professional assessments that fit your schedule and budget.

Do you offer home visits, and are they included in the price?

Yes, we offer completely free home visits throughout the UK, and this service is included in our prices with no additional charges. Home visits are particularly valuable for people with mobility issues, busy schedules, or those who simply prefer the comfort and convenience of their own environment.

Our audiologists can conduct full hearing tests, fit hearing aids, and provide ongoing support in your home.  This service sets us apart from many providers who either don't offer home visits or charge extra for them.

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We can offer prices up to 40% lower than high street retailers because of our business model. As a network of 200+ independent audiologists, we don't have the massive overheads of large retail chains - no expensive high street premises, no sales targets pushing audiologists to sell the most expensive options, and no costly marketing campaigns.

However, we maintain the same buying power as the big chains because we purchase on behalf of our entire nationwide network. This means you get access to the same premium hearing aids with professional service, but at genuinely competitive prices.

How long do I have to try the hearing aids before committing to keep them?

We offer a comprehensive 60-day money-back guarantee, which gives you twice the industry standard time to properly assess whether your hearing aids are right for you. This extended period recognises that adjusting to hearing aids takes time, and your brain needs several weeks to adapt to the amplified sounds.

Unlike many providers who offer just 30 days, we believe 60 days gives you the confidence to test your hearing aids in all the situations that matter to you - from quiet conversations at home to busy restaurants and outdoor activities.

Other pages you might find useful

Audiology Home Visits - For free in the UK
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