Bites from cat fleas have caused some dermatitis (skin irritation) in humans. Symptoms of dermatitis caused by cat fleas include severe itching, skin irritation, tenderness, and pain from scratching.

For pets with more severe allergies, a well-balanced diet that may include hypoallergenic foods and omega-3 supplements can ...

One major concern is that people can be exposed to these products though their skin by petting and playing with their pets ... often exposed to concentrations well above the minimum risk level ...