Understanding Tinnitus: Is It Permanent or Just Wax?
Why earwax blockage is the most common reversible cause of ringing in the ears.
Reviewed by Yassin El-leissy
Clinical Audiologist (MClinAud), LAC Audiology
Tinnitus is the medical term for the perception of sound when no external noise is present. While often described as a "ringing in the ears," it can manifest as buzzing, hissing, or humming. For many patients, the immediate fear is that they have suffered permanent hearing damage. However, before assuming the worst, it is critical to rule out the most common physical cause: Impacted Earwax.
Can Earwax Cause Tinnitus? (The Mechanics)
How can a lump of wax create sound? It comes down to pressure and isolation. When earwax becomes impacted, it pushes against the delicate tympanic membrane (eardrum). This physical pressure restricts the drum's vibration, which the brain interprets as a high-pitched "noise" signal. Additionally, a blockage creates the "Occlusion Effect"—it blocks out background room noise, making your internal body sounds (like blood flow or your own nervous system) seem significantly louder.
Pressure on the Drum
If wax touches the eardrum, it restricts its vibration and can trigger a physical 'noise' signal to the brain.
Loss of Ambient Masking
A blockage acts like an earplug, lowering external 'background' noise and making your internal body sounds seem much louder.
When is Tinnitus an Emergency?
While most tinnitus associated with wax is annoying but harmless, certain patterns require immediate medical attention. If you experience "Pulsatile Tinnitus" (a whooshing sound that beats in time with your heart) or "Sudden Sensorineural Hearing Loss" (waking up deaf in one ear), this is a medical emergency. Do not wait—seek a GP or Audiologist assessment immediately to rule out infection or circulatory issues.
Seek Urgent Care If:
Treatment: How Microsuction Stops the Ringing
If your tinnitus has started recently alongside a feeling of "fullness," a professional ear examination is the first step. Do not use cotton buds, as this often packs the wax tighter against the drum, making the ringing worse. Using high-definition video otoscopy, we can determine if a blockage is the culprit. If it is, Microsuction is the preferred treatment, as it removes the mass without the pressure changes associated with water syringing.
Patients often worry the ringing is permanent damage. In many cases, it is simply a blockage—and the ringing often settles once we clear the canal.
Sources
Tinnitus (ringing in the ears). Healthdirect Australia.
Ear wax. Healthdirect Australia.
Clinical Practice Guideline: Sudden Hearing Loss (Update). Chandrasekhar SS et al., Otolaryngology–Head and Neck Surgery, 2019.
This guide is general information, not a diagnosis. If you have sudden hearing loss, severe pain, discharge, fever or dizziness, see your GP or go to an emergency department.
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Stop the Ringing. Check for Wax.
Don't panic about permanent damage until you've checked for a blockage. Book a diagnostic Microsuction assessment today—available at our clinic or in your home.