Learn more Cats with severe flea infestations can suffer from skin damage, an allergic reaction, and anemia from blood loss. Fleas can also spread parasites like tapeworms and may transmit diseases.

A little over a year ago I purchased the flea and tick drops for my 3 cats. I had used this same medication for over a year. I used it on two of my cats in one day and a few days later on the third.

It’s also a medication that keeps flea eggs from hatching using hormones that are not harmful to cats. Etofenprox is ... carefully wash the area where the drops were placed.