Otitis: Inside look at pathogenesis, treatment and prevention - DVM
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Otitis: Inside look at pathogenesis, treatment and prevention


DVM360 MAGAZINE


Cytology readily demonstrates the typical yeast organism, but on occasion, few or rare Malassezia organisms are found. I believe these latter cases are a variant of the routine yeast otitis case and should be treated similarly. Generally, I advise topical clotrimazole/betamethazone containing products or products that contain miconazole.

Most of these otic preparations are useful in treating the pruritus and pain and contain corticosteroids. In severe cases I recommend oral corticosteroids as I do in cases of severe bacterial otitis. Systemic ketaconazole can also be useful in severe or recurrent cases.

For maintenance, I prefer to search for the primary cause, reduce swimming and prescribe acetic/boric ear washes as a preventive treatment for long-term management.

Many cases of otitis externa (and even media) can be routinely treated in general practice. The cases that should be referred to a dermatologist (hopefully not a surgeon) are the ones that are recurrent in nature, resistant to treatment or need allergy testing.

Dr. Vitale received his veterinary degree from Mississippi State University, College of Veterinary Medicine. He completed a residency in veterinary dermatology at the University of California, Davis and is a diplomate of the American College of Veterinary Dermatology. He is a clinical instructor/lecturer at UC-Davis and a staff dermatologist at East Bay Veterinary Specialists (formerly Encina Veterinary Hospital), Bay Area Veterinary Specialists and San Francisco Veterinary Specialists.


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Source: DVM360 MAGAZINE,
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