Lysodren (generic name=mitotane) is used to treat dogs with Cushing"s disease. It should not be used in pregnant or nursing animals. Sold by the tablet. A prescription is required. You may mail in the prescription to us or we can contact the vet"s office for the authorization. Please provide the vet’s name, number & your pet’s name on the 2nd page of the shopping cart. Once the veterinarian approves the prescription, we will ship the order within 24-72 hrs.