Ark. Code Ann. § 20-64-211: Authorized possession of narcotic drugs by individuals

A person to whom or for whose use any narcotic drug has been prescribed, sold, or dispensed by a physician, dentist, apothecary, or other person authorized under the provisions of § 20-64-205 , and the owner of any animal for which any such drug has been prescribed, sold, or dispensed, by a veterinarian, may lawfully possess it only in the container in which it was delivered to him by the person selling or dispensing the same.