PetRx2go, America’s fastest growing online Animal pharmacy. Welcome to PetRx2go, America's fastest growing online animal pharmacy. All of our products are American (USDA or FDA approved) and are shipped from within the United States. We sell the same exact medications sold by your veterinarian, and we do not sell expired or foreign medications. We provide the best products at the best price, guaranteed. From prescription medications to supplements, Petrx2go is here to help keep your pets happy and healthy.