Overview
Bubbling and a crackling sound are normal.
What it's used for
- Earwax buildup
How to take it
- Tilt your head, put 5 to 10 drops in the ear, and stay tilted for several minutes.
- Use twice a day for up to 4 days.
- Gently flush with warm water using a bulb syringe if needed.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Fullness or bubbling
- Mild irritation
Warnings
- Don't use with ear tubes, a hole in the eardrum, ear pain, or drainage.
- Don't use cotton swabs to dig out wax.
Other medicines, foods, and alcohol
- None known.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Generally fine. Ask your provider.
Missed doses, overdose, and storage
If you miss a dose
Apply it when you remember, then go back to your usual schedule. Don't apply extra to make up for it.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Carbamide peroxide ear drops (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.