Florfenicol, Terbinafine, Betamethasone Acetate
Osurnia is a prescription veterinary medication available as a topical ear gel for dogs. It combines an antifungal, antibacterial, and anti-inflammatory agent to treat ear infections (otitis externa). This brand-name medication requires veterinary authorization and is applied directly into the dog's ear canal.
Osurnia is a combination ear gel medication for dogs used to treat ear infections by combining antifungal, antibacterial, and anti-inflammatory ingredients.
Key facts at a glance
- RxNorm
- 2704740
- Generic
- Osurnia
- Class
- brand-name
- 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 (ear infections) in dogs caused by susceptible strains of bacteria and fungi, including Staphylococcus pseudintermedius and Malassezia pachydermatis.
Contains terbinafine (antifungal), florfenicol (antibacterial), and betamethasone (anti-inflammatory) which work together to eliminate infection-causing organisms while reducing inflammation, pain, and discomfort in the ear canal.
For veterinary use only in dogs. Should not be used in cats or animals with known hypersensitivity to any ingredients. Avoid use on ruptured eardrums. Always follow veterinary dosing instructions and complete the full course of treatment. Consult your veterinarian for proper diagnosis before 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 July 26, 2026. · Read our editorial policy