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Year : 2008, Volume : 9, Issue : 2
First page : ( 215) Last page : ( 217)
Print ISSN : 0972-1738. Online ISSN : 2249-8796.

Refractory Otitis Externa due to Malassezia pachydermatis and cocci in dogs : Diagnosis and Treatment

Deshmukh V.V., Veterinary Pathologist, Varshney J.P., Medicine Consultant, Chaudhary P.S., Chief Veterinary Surgeon

Shree Surat Panjarapole Nandini Veterinary Hospital  Ghod Dod Road, Surat – 395007  (Gujarat)

Online published on 16 November, 2011.


Seventeen cases of otitis externa in dogs (German shepherd 7, Great Dane 2, Labrador 3, Dachshund 2, Boxer 2, Beagle 1) of varying age groups (1 to 8 years) refractory to routine therapy were investigated for its etiology using otoscopic, radiographic and cytological examinations. Investigation revealed that these cases of refractory otitis externa were due to mixed infection of Malassezia pachydermatis and Gram +ve cocci/rods. German shepherd appeared to be more predisposed breed. The head shaking, ear scratching, pain on manipulation of pinna, excessive aural discharge were most common clinical features of otitis externa caused by mixed infection of yeast and microbes. Recovery was uneventful with ear flushing with saline, meloxicam (0.2 mg/kg b.wt.), enrofloxacin (@10 mg/kg b.wt.), ketoconazole @ 10 mg/kg b.wt. PO OD and topical application of ear drop containing antifungal, antibacterial and steroid.



Otitis externa, Malassezia pachydermatis, Ketoconazole, Canine Malasseziasis.


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