Underlying factors - from ear mites and genetic anomalies (as with pendulous ears and hairy ear canals), to food allergy, nutritional deficiency and complications associated with hypothyroidism and Cushing’s disease - all play a role in ear conditions affecting dogs and cats. Less toxic polymyxin B and silver sulfadiazine, after a thorough cleaning of the ear, can help many patients. The selection of antibiotic may be refined by taking a sample of the ear exudate and testing for bacterial antibiotic sensitivity. Acute episodes may call for opiate analgesia, anti-anxiety medication and anti-inflammatory prednisolone treatment. Many factors can lead to external and deeper ear infection and inflammation, with loss of hearing and/or balance.
Some may not show significant discomfort, even when the infection (caused by bacteria, often combined with a fungus) has become well-established. Seek immediate veterinary examination and treatment when a dog is showing signs of ear trouble: head-shaking and scratching one or both ears. Some of these substances also exhibit renal toxicity, as has been documented for aminoglycosides as well as some nonsteroidal anti-inflammatory agents.Įar inflammation and infection should not be neglected. Some ototoxic (hearing- and balance-damaging) potential might also be associated with the antibiotic erythromycin. Of potential concern in veterinary practice are the antibiotics known as antibacterial aminoglycosides - gentamicin and amikacin - as well as “loop diuretics,” like furosemide. There is no remedy to reverse the damage to the inner ear. Is there anything I can do to restore her hearing? Can you tell me more about this side effect and why these medicines are still on the market? - J.R.C., Point Pleasant Beach, New JerseyĭEAR J.R.C.: I am sorry to hear about your dog’s adverse reaction to the medication, from which a recovery may or may not be in the offing. She sleeps a lot, pants and has been having accidents in the house, which is not her normal behavior. It has been a week now, and I believe her personality has changed. While they said it could be reversible, sometimes, especially in geriatric dogs, it is permanent. When I contacted my vet, I discovered that this is a possible side effect from the gentamicin in the medicine.
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