Permethrin Toxicity
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Introduction
Permethrin is the active ingredient of many 'spot-on' paraciticides used in the control of fleas and ticks in dogs [1].
Signalment
Permethrin poisoning in most commonly seen in cats who have inadvertently been administered spot-on products intended for use in dogs, or who have had contact with dogs following application of the preparations [2].
Diagnosis
Clinical Signs
Laboratory Tests
Pathology
The spot-on canine preparations are often quite concentrated.[2]. Cats lack the enzyme glucuronidase transferase [3] and is therefore unable to utilise the metabolic pathway that dogs and other animals use to break down permethrin into glucuronides and sulphates.
Treatment
Prognosis
References
- ↑ Clinical effects and outcome of feline permethrin spot-on poisonings reported to the Veterinary Poisons information Service (VPIS), London, Journal of Feline Medicine and Surgery(2007)9,335-339 accessed on http://www.fabcats.org/esfm/permethrin.pdf 07.11.2010
- ↑ 2.0 2.1 BSAVA Manual of Canine and Feline Emergency and Critical Care, Chapter 19, Second Edition, 2007
- ↑ Whittem 1995 Pyrethrin and pyrethroid insecticide intoxication in cats.Compendium of Continuing Education for the Veterinary Practitioner 17 489-492, referenced in Journal of Feline Medicine and Surgery(2007)9,335-339 accessed on http://www.fabcats.org/esfm/permethrin.pdf 07.11.2010