Hydrogen Peroxide for ears: Safe solution or risky business?

Hydrogen peroxide has long been a trusted remedy for clearing excess earwax, but is it truly safe to use in your ears? While over-the-counter (OTC) ear drops often contain hydrogen peroxide, improper usage can lead to irritation and even damage, experts warn.
Earwax, a natural substance produced in the ear canal, plays a critical role in protecting and cleaning the ear. However, excessive buildup can cause discomfort, hearing difficulties, and even dizziness. This is where hydrogen peroxide-based solutions come into play, but they must be used carefully to avoid complications.
What experts recommend
Hydrogen peroxide is generally considered safe in small, diluted amounts. Most OTC earwax removal drops contain a 3% hydrogen peroxide solution or 6.5% carbamide peroxide. These solutions release oxygen to soften and break down earwax, making it easier to remove.
“Carbamide peroxide is one of the most commonly recommended solutions for earwax removal,” say medical professionals. For up to four days, individuals can use 5 to 10 drops in the ear twice daily to help dissolve blockages.
However, undiluted hydrogen peroxide or excessive use can irritate the sensitive skin inside the ear canal, potentially leading to inflammation, earaches, and even burns.
Potential risks
Using too much hydrogen peroxide or applying it improperly can cause:

- Temporary fizzing or bubbling sensations.
- Skin irritation or blistering.
- Temporary hearing loss or tinnitus.
- Dizziness or discomfort.
Additionally, residual bubbling may make it harder for doctors to examine the inner ear, delaying effective treatment. People with ear infections or damaged eardrums should avoid hydrogen peroxide altogether.
How to use It safely
To safely use hydrogen peroxide-based ear drops:
- Follow the manufacturer’s instructions or a doctor’s guidance.
- Use no more than 5 to 10 drops at a time.
- Flush out excess drops and earwax with lukewarm water or a bulb syringe.
- If symptoms persist or worsen, consult a healthcare professional immediately.

Alternatives to Hydrogen Peroxide
If hydrogen peroxide is not effective, there are other solutions for earwax removal. Options include:
- Acetic acid.
- Sodium bicarbonate.
- Mineral, almond, or camphor oils.
Ear syringes, available at drugstores, can also help flush out loosened wax using a gentle stream of water. However, inserting foreign objects like cotton swabs into the ear canal is strongly discouraged, as it can push wax further in or damage the ear.
When to seek medical help
Consult a doctor if earwax buildup leads to persistent:
- Ear pain.
- Tinnitus.
- Hearing difficulties.
- Dizziness or ear drainage.
Professionals may recommend more advanced treatments, such as ear irrigation or micro-suction, to safely remove stubborn blockages.
The bottom line
Hydrogen peroxide, when used correctly, is a helpful tool for managing earwax buildup. However, misuse can lead to irritation and other complications. For the safest results, follow guidelines carefully or consult a medical professional before attempting any ear-cleaning method.