Final answer:
In the UK, cats are less commonly affected by Flea allergic dermatitis compared to dogs. Flea allergic dermatitis is related to type I hypersensitivity, and its treatment includes flea control and medications like antihistamines or corticosteroids.
Step-by-step explanation:
Flea Allergic Dermatitis in Animals
Flea allergic dermatitis (FAD) is a common skin disease in pets leading to intense itching and discomfort. This condition is a manifestation of a type I hypersensitivity reaction to flea bites. In the United Kingdom, one of the animals less commonly affected by FAD are cats. Dogs are more commonly affected compared to cats.
An allergy in this context refers to the immune system making an inflammatory response to a harmless antigen, such as flea saliva. Upon initial exposure, the animal's immune system produces IgE antibodies. When the animal is re-exposed, these antibodies cause mast cells to release histamine and other inflammatory mediators leading to the allergic reaction. Common causes of allergies include dust mites, insect stings, and various types of allergens like pollen.
Common treatments for FAD include the use of flea control medications to prevent flea bites, as well as medications to alleviate the allergic response, which may involve antihistamines or corticosteroids.