Fleas can cause intense pruritis in cats who develop an allergyor hypersensitivityto proteins found in flea saliva. Cats are exposed to these proteins when fleas bite them. This condition is known as flea allergy dermatitis (FAD).
Cat Fleas Symptoms, Diagnosis and Treatment. Key Takeaways. Flea Allergy Dermatitis (FAD): This is the most common skin problem in cats caused by an allergic reaction to flea bites, leading to itching, hair loss, and dry skin.
| Flea allergy dermatitis (FAD), or flea bite hypersensitivity, is a hypersensitivity disease caused by the injection of antigens from the salivary glands of fleas as they feed on a host animal.
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Allergy flea bites occur when an individual is allergic to flea saliva. When a flea bites, it injects its saliva into the skin, which contains allergenic proteins. If the person or animal has an allergic sensitivity, their immune system overreacts, resulting in an allergic reaction.
Also called flea-allergic dermatitis, a flea allergy is an allergy to the saliva of the flea. When the flea pierces the skin, it leaves saliva in the wound site. In some cats, this leads to hypersensitivity at the bite site, causing the cat to scratch and bite at the area.
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Flea Allergy Flea allergic dermatitis is the most common skin disease in cats and dogs. In a flea-allergic patient, 100% flea control is essential to remaining symptom-free. You can learn more about this allergy on our Flea Allergy Dermatitis page.
