Chemical ToxicityCRITICAL Priority
Permethrin Toxicity in Cats (Dog Flea Treatment Ingestion/Contact)
Direct Answer
Permethrin is a concentrated insecticide commonly found in canine flea spot-ons. Cats lack the liver enzyme to process it, resulting in violent tremors, seizures, and respiratory arrest.
Immediate Action Plan
- 1Bathe the cat immediately in lukewarm water with mild liquid dish soap to stop dermal absorption.
- 2Do NOT use hot water as it increases systemic absorption.
- 3Rush to an emergency veterinary hospital for IV muscle relaxants and lipid emulsion therapy.
Symptoms to Watch
Ear TwitchingViolent Body TremorsSeizuresExcessive DroolingFever
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Frequently Asked Questions
Can I use dog flea medication on my cat?
Never use dog flea spot-ons on cats. Even living in close contact with a recently treated dog can transfer toxic amounts to a cat.