Ear antibiotics for dogs

Written by michaelb
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Ear antibiotics for dogs
Antibiotics help cure ear infections in dogs. (funny dog ears flap high retrieve vizsla run play image by Paul Retherford from Fotolia.com)

Dogs often get ear infections or ear mites that require the use of antibiotics. Signs of ear disease include odour, incessant scratching, redness and shaking or tilting of the head. The antibiotics will most likely require a prescription, which means a trip to the doctor's office. Prolonged uses of antibiotics is not advised because it can weaken a dog's immune system. However, if used properly, the antibiotics should work within a few days to a week to rid the dog of his infection.

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Otomax is an FDA-approved, prescription ointment used to treat acute and chronic ear infections in dogs. Otomax, which is squirted into the ear, is comprised of three ingredients--betamethasone, clotrimazole and gentamicin. Otomax reduces inflammation, bacteria and fungus. The drug is available in multiple sizes, so check with the veterinarian for the correct dosage for the dog. Side effects, although rare, can include diarrhoea, vomiting and increased thirst and urination.


Momentax, which requires a prescription, is administered daily to treat acute and chronic ear infections in dogs. The ointment, which is squirted into the ear, is comprised of: gentamicin sulphate, an antibacterial; mometasone, an anti-inflammatory; and clotrimazole, an antifungal. Possible side effects, although rare, include loss of appetite and weight loss.


Animax is also a prescription-only medicine used to treat ear infections and skin disorders in dogs. The ointment, comprised of antifungal, antimicrobial and corticosteroid ingredients, is squirted into the dog's ear. Animax also has an ingredient to help reduce itching. Animax is used to treat contact dermatitis and other skin disorders.

Zymox Otic

Zymox Otic, an enzymatic solution, is touted as not having any known side effects. Zymox Otic is non-prescription, or over the counter, and available at various pet stores. The enzymatic solution contains hydrocortisone, which helps reduce inflammation and itching. The medicine is squirted liberally down the dog's ear canal. It is used to treat acute and chronic external ear infections.


Baytril is commonly prescribed for dogs with urinary tract infection. This chewable tablet has been used to treat ear infections. The pill comes in various doses, so check with the vet to get proper dosage. The medicine is available by prescription only. Baytril is fluoroquinolone antibiotic, which kills bacteria that causes ear infection. Possible side effects include difficulty breathing, lip swelling or hives.

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