Some medicines can affect the inner ear and may cause hearing changes, tinnitus, or balance symptoms. This is known as ototoxicity. Risk depends on the medicine, dose, route, other health conditions, and combinations with other treatments. Do not stop a prescribed medicine on your own; discuss concerns promptly with the prescribing clinician.
Which medicines may affect the ears?
Some chemotherapy drugs, certain antibiotics, loop diuretics, and other medicines can be ototoxic in particular circumstances. The risk is not the same for every drug or patient, and a medicine listed as potentially ototoxic may still be important or lifesaving. Online lists should not be used to change a treatment plan.
What symptoms should be reported?
Report new ringing, muffled hearing, difficulty understanding speech, or unsteadiness that begins during treatment. Sudden hearing loss needs urgent assessment even if it is painless. Tell the clinician when symptoms began, the doses taken, and all prescribed, over-the-counter, and supplement products.
How is risk monitored?
When a treatment carries meaningful risk, a clinician may recommend a baseline hearing test and repeat testing during or after treatment. They may adjust the regimen, monitor drug levels, review kidney function, or coordinate with an audiologist. Monitoring is tailored to the actual medicine and the patient rather than applied to every drug in the same way.
Frequently asked questions
Should I stop the medicine if my ears ring? No. Contact the prescribing clinician promptly for advice rather than stopping or changing the dose yourself.
Can medicine-related hearing loss recover? Sometimes, but not always. Recovery depends on the medicine, degree of injury, and individual factors, so early reporting is important.
Are supplements a safe alternative? Do not replace prescribed treatment or add supplements marketed for hearing protection without discussing them with your care team.
Explore our otology consultation page for more information about this care option. A clinician can advise based on the individual history and examination findings.
Related reading
- Sudden Hearing Loss: Why Urgent Assessment Matters
- Hearing Tests: What to Expect and What Results Mean

