Chronic diarrhoea and inflammation of the digestive tract are often signs that your dog has an allergy allergies can also present with symptoms such as itchy and inflamed skin as well as excessive shedding or other problems with your dogs coat royal canin veterinary diet sensitivity is a dietetic wet food for dogs with food allergies or food intolerances that have contributed to digestive problems the food has been formulated to support the health of the mucous membranes in the gut and p