Acetic Acid Benzoate
Acetic Acid/Benzoate is a multi-ingredient topical medication commonly used in otic (ear) preparations. The acidic nature of acetic acid creates an unfavorable environment for certain bacteria and fungi, while benzoate serves as a antimicrobial preservative. This combination is typically used to treat minor outer ear infections and help prevent contamination of the solution.
Topical antiseptic solution used for minor ear infections and prevention of microbial contamination.
Key facts at a glance
- RxNorm
- 2673590
- Generic
- Acetic Acid / Benzoate
- 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 minor outer ear infections (otitis externa), commonly known as swimmer's ear, and maintenance of ear hygiene. May also be used to help prevent infection after ear procedures or in ears prone to moisture buildup.
Acetic acid works by lowering the pH in the ear canal, creating an acidic environment that inhibits the growth of susceptible bacteria and fungi. Benzoate acts as a preservative agent to prevent microbial contamination of the solution during storage and use.
For topical otic use only. Avoid contact with eyes. Do not use if eardrum is perforated or if there is discharge from the ear unless directed by a physician. Consult a healthcare provider if symptoms worsen or do not improve within a few days. Keep at room temperature and do not share medication with others.
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