Flea and Tick Medications

Flea and Tick Medications

medications

Alternate names

flea, tick, over-the-counter flea, pyrethrins, pyrethroids

Toxicity to pets

Most of the common flea and tick medications are topical drugs (applied to the skin over the neck/back) that contain pyrethrins or pyrethroids. Pyrethrins are a class of drugs derived from the Chrysanthemum flower/plant, while pyrethroids are synthetic derivatives.

In cats, signs of poisoning include profuse drooling, vomiting, tremoring, hyperexcitability, agitation, seizures, weakness, and difficulty breathing. Untreated, it can be fatal. These signs are rarely seen in dogs. In dogs, signs of parasthesia (a tingling sensation), scratching, drooling, etc. may be seen. Treatment includes prompt removal of the product (by bathing with a liquid dish soap like Dawn, Joy, Palmolive) to get the greasy substance off.

If you think your dog or cat is having side-effects or was exposed to pyrethrins/pyrethroids, call your veterinarian or Pet Poison Helpline immediately for life-saving treatment advice.

Flea and Tick Medication

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      Disclaimer

      The content of this page is not veterinary advice. A number of factors (amount of substance ingested, size of the animal, allergies, etc.) determine what is toxic to a particular pet. If you think your pet has eaten something potentially toxic, call Pet Poison Helpline or seek immediate veterinary treatment.