Dogs' skin allergies, which can cause significant discomfort and distress. Allergies can be triggered by a variety of factors, including fleas, food, and environmental elements like pollen or dust mites. Dogs suffering from allergies often exhibit symptoms such as itching, redness, swelling, and sometimes secondary infections from excessive scratching or licking. Flea allergy dermatitis, for example, is a common condition where dogs are allergic to flea saliva. Managing skin allergies typically involves identifying and eliminating the allergen, using medicated shampoos, and sometimes prescribing antihistamines or corticosteroids. Regular veterinary check-ups and allergy testing can help in effectively managing and treating these conditions.