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VOL. 10, ISSUE 12 (2025)
Medical management of concurrent Neotrombiculus and Otodectes cynotis infestation in a cat
Authors
S Kavibharathy, K Meenakumar, E Venkatesakumar, A Elango, V Ramakrishnan
Abstract
Otodectic mange commonly known as ear mite infestation, is a highly
contagious parasitic condition with recognized zoonotic significance. Otodectes
cynotis is an obligate, non burrowing, surface dwelling ectoparasite that
primarily inhabits the external auditory canal of cats, dogs and other
carnivores, where it induces otitis externa. Among cats, infestation with O.
cynotis is particularly common. An eight month old male cat was presented
to the Small Animal Medicine Unit, Veterinary Clinical Complex, Veterinary
College and Research Institute, Salem, with a history of severe pruritus,
alopecia and crusty lesions involving the ear margins, face and limbs. The
owners also reported pruritic skin lesions on their hands, suggesting zoonotic
transmission. Clinical examination revealed that all vital parameters were
within normal physiological limits. Dermatological evaluation showed coffee
colored ceruminous discharge in both ears along with alopecia, scaling and
crust formation over the ears and head. Microscopic examination of ear swabs
and skin scrapings demonstrated the presence of ova and adult stages of Otodectes
cynotis, along with Neotrombiculus species. Based on the clinical
presentation and parasitological findings, the case was diagnosed as otodectic
mange. Treatment consisted of topical application of selamectin (6%) as a spot
on formulation, along with oral supplementation of a multivitamin tonic
containing omega-3 and omega-6 fatty acids and amino acids. Marked clinical
improvement was observed within three weeks of therapy and the cat made an
uneventful recovery.
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Pages:185-188
How to cite this article:
S Kavibharathy, K Meenakumar, E Venkatesakumar, A Elango, V Ramakrishnan "Medical management of concurrent <i>Neotrombiculus</i> and <i>Otodectes cynotis</i> infestation in a cat". International Journal of Entomology Research, Vol 10, Issue 12, 2025, Pages 185-188
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