While many are aware that decibel levels impact auditory health, prescription drugs represent a more obscure risk. Medications that can impact hearing are known as ototoxic medications, meaning they have the potential to harm the inner ear.
While many ototoxic drugs are necessary (and highly effective) for treating serious medical conditions, knowing the risks can help you recognize symptoms early and seek appropriate care if needed.
An Overview of Ototoxic Damage
When medications or chemical compounds harm the inner ear, the condition is formally known as ototoxicity. Within the inner ear, tiny hair cells work to change sound waves into the electrical impulses that the brain understands. When these cells sustain injury, that may impact your hearing and balance.
Recognizable symptoms of an ototoxic event involve:
- A decline in hearing ability that frequently targets higher frequencies first
- Ringing in the ears (tinnitus)
- The feeling of having a “plugged” or congested ear
- Dizziness or balance problems
For certain patients, the shifts in hearing are merely short-term. In others, they may be permanent, especially if exposure continues.
Standard Classes of Ototoxic Pharmaceuticals
It is vital to note that taking these prescriptions does not guarantee an onset of hearing difficulties. The likelihood of injury often relates to the concentration of the dose, length of treatment, current ear health, and kidney performance.
Commonly discussed medications with ototoxic potential include:
The Aminoglycoside Class of Antibiotics
Pharmaceuticals including gentamicin and tobramycin act as robust antibiotics for serious bacterial cases. According to research published in the National Library of Medicine, aminoglycosides are among the most well-known causes of medication-related hearing damage, particularly when used in high doses or for extended periods.
Select Drugs Used in Cancer Therapy
While platinum-centered chemo drugs like cisplatin are successful against cancer, they possess a documented risk of causing hearing loss. Healthcare teams often prioritize hearing checks during the administration of these drugs.
The Category of Loop Diuretics
Drugs like furosemide, commonly used to treat heart failure or fluid retention, can affect hearing, particularly when administered intravenously at high doses.
Intense Doses of NSAIDs and Aspirin
Taking massive doses of aspirin and various NSAIDs can result in short-term hearing changes or ringing. Usually, patients see an improvement in symptoms once the drug is tapered or ceased by a medical expert.
Populations Facing Increased Risk of Ototoxicity
Specific demographics face an elevated risk of developing ototoxicity, including:
- Patients aged sixty years or older
- People currently living with some form of hearing loss
- Those with compromised kidney function
- Those receiving multiple ototoxic drugs simultaneously
Since the internal ear cannot grow back its hair cells, avoiding damage and catching it early is vital.
The Role of Monitoring in Avoiding Ototoxicity
Should you start a medication that threatens your ears, your healthcare team may request regular auditory assessments. Early discovery is key as it permits medical teams to modify your treatment plan before irreversible harm is done.
You should never stop a prescribed medication without speaking to your healthcare provider first. In many instances, the therapeutic gains are the priority, and auditory health is tracked as you proceed with the medicine. However, should you experience tinnitus, dull hearing, or instability while on a drug, tell your doctor immediately.
Recognizing the Need for a Professional Hearing Review
Any sudden or noticeable change in hearing should be evaluated by a qualified professional. Though your issues might feel minor, a prompt test can reveal if your medicine is responsible and if treatment is required.
Understanding the potential impact of ototoxic medications empowers you to protect your hearing while receiving the medical care you need. With careful observation and clear communication with your medical team, these risks are typically kept to a minimum.
If ear changes or pharmaceutical side effects concern you, set up an evaluation with us right away. Our specialists will give you the guidance required for optimal hearing.