Actualidad y consejos sobre salud auditiva / News and tips on hearing health

What causes an earwax blockage?

Earwax blockages can cause unpleasant sounds and pain in the ear, progressive hearing loss and sometimes even dizzy spells and vertigo. In this post, we explain the causes of earwax blockages and what you can do to avoid them.

What is earwax?

Earwax, also known as cerumen, is a mix of dead skin cells, sebum and the secretions produced by the ear’s ceruminous glands. It is produced by these secretory glands in the external ear canal as a defence mechanism against bacteria and to protect the eardrum from external aggressions.

Plugs can form when an excessive amount of earwax accumulates in the inner ear, clogging the ear canal and producing a range of symptoms that require treatment.

What are the symptoms of clogged ears?

Below are 6 symptoms of earwax blockages, as summarized by the SEORL CCC, (the Spanish Society of Otorhinolaryngology and Head and Neck Surgery):

  1. Sudden loss of hearing: your hearing deteriorates drastically from one day to the next.
  2. Noise when you chew: you can hear the noise your jaw makes when you eat.
  3. Autophony: when you talk, you can hear your own voice and it seems particularly loud.
  4. Earache or tinnitus: you experience more ear pain than usual, along with a buzzing in your ears or tinnitus.
  5. A clogged sensation: your ear feels full or blocked.
  6. Unsteadiness or dizziness: you suffer dizzy spells or vertigo.

How to cure clogged ears

Once the symptoms of an earwax blockage have been identified, the earwax plug must be removed from the ear to alleviate the discomfort. The best solution is to visit an ENT specialist, who will carry out an ear examination (otoscopy) to evaluate the external ear canal and tympanic membrane, also known as the eardrum, to make sure it is not perforated. The earwax plug will be removed once this medical examination has been completed.

Photo credit: policlinic lloret

The most common method used for this is irrigation, which consists in pumping warm water at a temperature of approximately 37ºC into the ear canal in order to soften and dislodge the earwax and flush it out. Another method, which must also be carried out by an ENT specialist, is instrumental extraction. This involves a microscopic examination and cleaning the ear with medical instruments and techniques such as tweezers or hooks, microsuction or under direct vision.

Photo credit: tu salud es vida

Can earwax blockages be prevented?

Specialists agree on the main reason ears become plugged or clogged with earwax: incorrect hygiene practices in that area.

Experts recommend avoiding the use of cotton buds, as they can have the opposite effect to that intended: cotton buds push wax towards the eardrum and can cause serious damage. They can also make wax harder to remove and even lead to infections in the ear canal.

For this reason, specialists recommend not over-cleaning the ear canal – in other words, not interfering with the ear’s natural cleaning process. They recommend not attempting to clean the ear any further than your finger can reach, which is where the sebaceous glands that produce earwax are located. They also assure us that if an object is inserted into the ear canal beyond this point, it can stimulate the production of earwax and make matters worse.

To prevent earwax plugs clogging your ears, it is advisable to avoid spending long periods of time in dusty environments and to book an annual check-up, especially before the summer, to remove any excess earwax.

Now that you know the symptoms, visit your doctor if your ears become clogged with earwax to prevent the situation from getting any worse.


  1. Roslia Santamaria

    Found your post interesting to read. I cant wait to see your post soon. Good Luck for the upcoming update.This article is really very interesting and effective.

    • kiversal

      ¡Thank you very much Roslia :)!

    • kiversal

      Thank you so much Roslia!!! 🙂 Greetings from Kiversal

  2. ACE ENT Clinic

    Great information about Earwax Blockage . it’s really helpful for the patient

    • Kiversal

      Thank you for your comment!

  3. Bionaze

    Some people have a misconception about earwax and how we clean our ears. Thank you for writing content that enlightens us about earwax. Great post!

    • Kiversal

      Thank you so much for your feedback on this article!

      • Bionaze

        Thank you for the response! I am happy you notice my comment!

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