Acetic Acid Oxyquinoline
Acetic Acid/Oxyquinoline is a topical antimicrobial combination used primarily for treating certain ear infections and external ear conditions. Acetic acid creates an acidic environment that inhibits bacterial growth, while oxyquinoline provides additional antiseptic properties.
A topical ear medication combining antimicrobial agents to treat and prevent external ear infections.
Key facts at a glance
- RxNorm
- 690204
- Generic
- Acetic Acid / Oxyquinoline
- Class
- multi-ingredient
- Brands
- Fem pH, Relagard
- 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.
This medication is typically used for treating superficial bacterial infections of the outer ear canal (otitis externa) and may be used for certain ear conditions where an acidic, antimicrobial environment is beneficial.
The acetic acid component creates an unfavorable acidic environment for bacteria and fungi, while oxyquinoline provides direct antiseptic action against various microorganisms. Together they help eliminate infection-causing organisms in the ear canal.
This medication is for topical use in the ear only and should not be used if the eardrum is perforated. Patients should avoid contaminating the dropper tip and complete the full course as prescribed. Those with known sensitivities to any components should avoid use.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
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