Efficacy of a single dose of an otic ivermectin preparation or selamectin for the treatment of Otodectes cynotis infestation in naturally infected cats

Otodectes cynotis infestation is common in kittens housed in crowded environments like animal shelters. It is unknown how rapidly O cynotis is killed within the first 72 h of treatment with currently available products. Kittens ≥4 weeks of age with live O cynotis in both ears (AU) were administered...

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Veröffentlicht in:Journal of feline medicine and surgery 2011-08, Vol.13 (8), p.622-624
Hauptverfasser: Nunn-Brooks, Lindsey, Michael, Robin, Ravitz, Lea B., Kordick, Dorsey, Lappin, Michael R.
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container_end_page 624
container_issue 8
container_start_page 622
container_title Journal of feline medicine and surgery
container_volume 13
creator Nunn-Brooks, Lindsey
Michael, Robin
Ravitz, Lea B.
Kordick, Dorsey
Lappin, Michael R.
description Otodectes cynotis infestation is common in kittens housed in crowded environments like animal shelters. It is unknown how rapidly O cynotis is killed within the first 72 h of treatment with currently available products. Kittens ≥4 weeks of age with live O cynotis in both ears (AU) were administered 0.5 ml of 0.01% ivermectin otic suspension (Acarexx; Idexx Pharmaceuticals) once, AU or selamectin (Revolution; Pfizer Animal Health) once, on the skin following the manufacturer’s instructions. Repeat microscopic examination was performed on individual ears based on a randomization schedule during the 72 h after treatment. There was no evidence of toxicity with either drug and administration of 0.01% ivermectin significantly reduced the time to live mite-free status compared to selamectin. Both drugs have an effect against O cynotis as early as 10–12 h after administration with an increasing effect over time.
doi_str_mv 10.1016/j.jfms.2011.03.003
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subjects Animals
Antiparasitic Agents - administration & dosage
Cat Diseases - drug therapy
Cat Diseases - parasitology
Cats
Ear - parasitology
Ivermectin - administration & dosage
Ivermectin - analogs & derivatives
Mite Infestations - drug therapy
Mite Infestations - veterinary
Short Communication
Survival Analysis
Treatment Outcome
title Efficacy of a single dose of an otic ivermectin preparation or selamectin for the treatment of Otodectes cynotis infestation in naturally infected cats
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