This is an over the counter product - it does not require prescription. Purina Veterinary Diets® FortiFlora® can help improve your dog's intestinal health. This unique supplement contains live active cultures and is recommended for the dietary management of dogs with diarrhea. It tastes great and can be easily sprinkled on a dog's food. Dietary Characteristics FortiFlora is a nutritional supplement for dogs and has been formulated to achieve the following characteristics: Contains a special strain of probiotic that has been proven to promote intestinal health and balance Contains a guaranteed amount of live active cultures Promotes a healthy immune system Contains high levels of antioxidant Vitamins A, E, and C Excellent palatability How does FortiFlora work? FortiFlora may help nutritionally manage dogs with diarrhea in many situations, including: Stressful situations such as boarding or change in home environment Diet change or consumption of inappropriate foods Soft stool in kittens Antibiotic therapy Ask your veterinarian how FortiFlora can help your dog's diarrhea. Feeding Instructions: Feed 1 sacket to your dog daily. USE ONLY AS DIRECTED BY YOUR VETERINARIAN Guaranteed Analysis (Dry) Crude Protein (Min)43.0% Crude Fat (Min)12.0% Crude Fiber (Max)1.0% Moisture (Max)5.0% Microorganisms (Min) (Enterococcus faecium)1 X 108 CFU/g Packaging 1 box of 30 - 1 gram packages Ingredients (Dry) Animal digest, Enterococcus faecium, L-ascorbyl-2-polyphosphate (source of Vitamin C), Vitamin E supplement, beta-Carotene, zinc proteinate, taurine, salt, manganese proteinate, ferrous sulfate, copper proteinate, calcium iodate, sodium selenite. Contains a source of live (viable) naturally occurring microorganisms.