The most common allergy among cats is flea allergy. Older cats are more sensitive to flea bites and therefore more allergic. Food allergies are also quite common in cats. These allergies cause itching, vomiting, or diarrhea. There are several remedies to cat allergies, we have Anti-Allergen Solution Pet Shampoo which is a clear, non-toxic, plant based hypoallergenic formula designed to neutralize protein allergens on contact. This treatment helps pets to overcome skin problems caused by dust mites, while limiting pet danger, Sustained release odor protection also keeps your pet smelling fresh longer. Contains organic Neem Tree Extract! Visit our home page for great discounts on pet supplies and products.