Acetic Acid Benzocaine
Acetic Acid / Benzocaine is a combination ear drop medication used to treat outer ear infections (such as swimmer's ear) and associated pain. The acetic acid creates an acidic environment in the ear canal that inhibits bacterial and fungal growth, while benzocaine provides local anesthetic relief of ear pain and discomfort.
An otic combination medication that treats outer ear infections and relieves ear pain through acidic action and local anesthesia.
Key facts at a glance
- RxNorm
- 1007479
- Generic
- Acetic Acid / Benzocaine
- Class
- multi-ingredient
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment of otitis externa (swimmer's ear), mild ear infections, and temporary relief of ear pain and discomfort. May also be used to help soften earwax buildup.
Acetic acid works by creating an acidic environment in the ear canal that inhibits the growth of bacteria and fungi. Benzocaine is a local anesthetic that temporarily numbs the ear canal to provide pain relief.
For external ear use only. Do not use if the eardrum is perforated or if there is discharge from the ear. Avoid contact with eyes. Discontinue use and consult a doctor if symptoms worsen or no improvement occurs within a few days. Rare risk of methemoglobinemia with benzocaine-containing products, particularly in children.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy