Rotenone Kills Fleas, But
May Be Unsafe for Your Cat

What is It?

Rotenone and other cube resins are insecticides found in flea shampoos, flea dips, and flea powders sold for use on cats. They are derived from a poisonous tropical legume and are considered fairly toxic to mammals. They are slower acting, but more potent than flea treatments with Pyrethrins.


This insecticide can cause your cat's skin to become irritated. An overdose of this insecticide can cause death to your cat through paralysis or respiration and chronic exposure may injure the liver and kidneys.

Treating Your Cat with a Flea Dip

If your cat's flea problem is particularly bad, you may wish to consider a flea dip. However, flea dips should be done by your veterinarian and only at his or her recommendation.

If your cat has irritated skin or open sores, a flea dip with this chemical is not recommended for your cat's health.

Rotenone has little residual action and it loses much of its potency in the presence of light and oxygen.

Safe Alternatives for Flea Control Products

Natural flea control products are generally the safest to choose to keep your cat safe from the toxic effects of carbamates and other dangerous chemicals.

Topics Related to Rotenone

Didn't find what you're looking for? Use this Search Box to find more information. Or visit the articles below.

Other Common Flea Insecticides - More information about commonly used insecticides in pet products.

All About Flea Control - Article with info on flea control and keeping your kitty safe from fleas.

cat biting fleasCat Biting at Fleas

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