Gentamicin / Betamethasone (Generic) Otic Solution for Dogs & Cats, 15-mL
Prescription Item
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Gentamicin Sulfate with Betamethasone Valerate Otic Solution is an antibiotic drop prescribed for the treatment of ear infections caused by bacteria. The antibiotic in this solution, gentamicin, works to destroy bacteria while the included corticosteroid works to decrease the chance of swelling. Customers may receive this drug under the names Gentocin, Genoptic, Gentak, GenOne.
UsesUsed for the treatment of acute and chronic canine ear infections and canine and feline superficial infected lesions caused by bacteria.
Possible Side EffectsSide effects like enzyme elevations, weight loss, anorexia, polydipsia, and polyuria have occurred. Vomiting and diarrhea have been observed in dogs and cats. Cushing's Syndrome in dogs has been reported in association with prolonged or repeated steroid therapy.
Drug & Food InteractionsDo not administer other steroid hormones during treatment with this medication. Do not use in combination with other aminoglycosides, such as neomycin. Notify your veterinarian of any other medications, including vitamins and supplements, your pet is taking while your pet is receiving gentamicin.
Precautions
Before putting any medication into your pet's ear ear, examine the external ear canal thoroughly to be certain the tympanic membrane is not ruptured—this can cause the infection to spread to the inner ear, or damage the cochlea. If hearing or dizziness or lack of coordination due to inner ear damage is noted during treatment, discontinue use. Do not use in animals with known allergies to any of the ingredients. Prevent ingestion of the medication.
NOTE: For Generic Medications, picture displayed may not depict actual product. Generic medications may vary from one order to the next by size, color and shape depending on manufacturer.
Also available in a topical spray.
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Item Number146701
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Common Brand Name(s)Gentocin, Genoptic, Gentak, GenOne.
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For Use WithDogs & Cats
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Generic NameGentamicin Sulfate, Betamethasone Valerate
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Administration FormOtic
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Product FormSolution
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Health ConditionEar Infections
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Drug TypeAntibiotic, Anti-inflammatory
Gentamicin Sulfate.
Always follow the dosage instructions provided by your veterinarian. If you have difficulty applying the medication, contact your veterinarian.
Storage InstructionsStore at temperatures between 36° - 86°F.
What is Gentamicin Sulfate with betamethasone Valerate Otic Solution?
Topical gentamicin can be useful for treating both primary and secondary superficial bacterial ear infections caused by bacteria susceptible to it.
What are the benefits of Gentamicin Sulfate with betamethasone Valerate Otic Solution?
- Gentamicin has activity against many Streptococci, Staphylococci (coagulase negative/positive and some penicillinase-producing strains).
- Comes in a convenient plastic squeeze bottle for easy application.
How does this medication work?
This medication contains two active ingredients. The first is an antibiotic, gentamicin, which works to destroy bacteria by inhibiting protein synthesis in the bacteria. The second is a corticosteroid, betamethasone, which works by decreasing the release of inflammatory substances.
Customer Reviews

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2 Reviews
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Pharmacy Issues
By CaptainObvious on Jun 17, 2020
This is the second time I have had issues with Chewy pharmacy... I get the point that they need approval from the vet for prescriptions but it took us almost two weeks and a countless number of phone calls to get some coordination between the two. They tell ya that you and your pet are very important to them but I really don't think the pharmacy gives a d a m n. The other services have been great for providing food, treats, etc, but the pharmacy is terrible. Will be looking elsewhere my pharmaceutical needs for my pet.
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Fantastic service
By Uesi on May 16, 2020
Wow, even the pharmacy is amazing. They contacted the vet for the prescription and the bottles arrived in light speeding time even in those strange times we are in. Cheaper then anybody else. Thank you and stay safe Ursu