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It started while I was still on Tamoxifen nearing the end of my 2 years and I switched to Letrozole in September. I’ve tried everything my drs suggested and had an MRI and hearing test and went to PT for possible TMJ. Every test was good and it’s not TMJ. My PT googled to see if it’s a side effect of meds and it showed it could be and it’s rare. Wondering if anyone here experienced this. It’s so frustrating!

November 8, 2025
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A MyBCTeam Member

MaryAnn, did you do chemo- and if so, were any of your drugs a platin or taxane drug? My chemo included carboplatin-and Taxotere. Then, one day, and yes, it was after chemo was done!- I was washing dishes, and thought I heard cicadas. I stepped outside, and realized the sound was still they same in volume- I covered one ear, then the other, and realized all the noise was in my head!! Turns out it can be a side effect of chemo drugs (or others) and the term for it is ototoxicity. I believe it is under-reported, and more common than doctors realize. Audiologists have been pushing for hearing tests prior to treatment as a baseline, but it does not seem the oncologists take this seriously enough.

I hope they can find an answer for you- it is very frustrating to deal with, as this noise is in my head 24/7. I did buy a noise machine to use at night to help mask the sounds. Keeping you in prayers! Hugs!

November 8, 2025 (edited)
A MyBCTeam Member

Thank you for your response. Paclitaxel was my chemo. I just checked. It says its a taxane.

November 9, 2025
A MyBCTeam Member

I don’t have dizziness and I’ve been to an ENT.

November 8, 2025
MyBCTeam

Could blocked ears and ringing be side effects of tamoxifen or letrozole?

That sounds incredibly frustrating, especially after five months and trying so many approaches! While ear ringing and blocked ears aren't commonly listed as major side effects, both tamoxifen and letrozole can cause dizziness, which sometimes relates Show Full Answer

Could blocked ears and ringing be side effects of tamoxifen or letrozole?

That sounds incredibly frustrating, especially after five months and trying so many approaches! While ear ringing and blocked ears aren't commonly listed as major side effects, both tamoxifen and letrozole can cause dizziness, which sometimes relates to inner ear issues. The inner ear plays a key role in balance, and when something affects it, various sensations can occur.

Since your tests came back clear and it's not TMJ, it's worth having a detailed conversation with your oncologist about whether switching medications or adjusting your treatment might help. They may also refer you to an ear, nose, and throat specialist who has experience with medication-related symptoms.

Some MyBCTeam members have experienced dizziness and other unusual symptoms with hormonal therapies, so you're not alone in dealing with unexpected side effects. Don't hesitate to advocate for yourself—persistent symptoms deserve attention, especially when they affect your quality of life.

November 8, 2025

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