Gentamicin
Otomax is a prescription veterinary medication used to treat ear infections in dogs and cats. It combines an antibiotic, antifungal, and steroid to address bacterial, fungal, and inflammatory components of ear disease. This medication is specifically formulated for otic (ear) use only.
Otomax is a veterinary ear medication combining antibiotic, antifungal, and steroid agents to treat ear infections in dogs and cats.
Key facts at a glance
- RxNorm
- 1666754
- Generic
- Otomax
- 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.
Treats otitis externa (outer ear infections) in dogs and cats caused by susceptible bacteria and fungi. Commonly used for ear infections with inflammation, itching, and discharge.
Contains gentamicin (antibiotic that kills susceptible bacteria), clotrimazole (antifungal that stops fungal growth), and betamethasone (steroid that reduces inflammation, swelling, and itching). The combination addresses multiple causes of ear infections simultaneously.
For veterinary use only—never use in humans. Do not use in animals with ruptured eardrums. Use with caution in pregnant animals. Follow veterinarian's instructions regarding dose and duration. Common side effects may include local irritation at the application site. Avoid contact with eyes.
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 9, 2026. · Read our editorial policy