A prescription is required for these products. To order, place order below, and fax,email or mail us the prescription obtained from your veterinarian to our address on the INFO Page. Fax to 1-800-905-6155. We will ship once we have received the prescription. All prescription required products will ship after we have received the prescription. DO NOT order these products before talking to your veterinarian. We can ship almost any other prescription medication. Please contact us for a quote. All of our products are USDA or FDA approved and are the same as you buy from your veterinarian.