RCW 69.43.010 and 69.43.020 do not apply to any of the following:
(1) Any pharmacist or other authorized person who sells or furnishes a substance upon the prescription of a practitioner, as defined in chapter 69.41 RCW;
(2) Any practitioner who administers or furnishes a substance to his or her patients;
(3) Any manufacturer or wholesaler licensed by the pharmacy quality assurance commission who sells, transfers, or otherwise furnishes a substance to a licensed pharmacy or practitioner;
(4) Any sale, transfer, furnishing, or receipt of any drug that contains ephedrine, phenylpropanolamine, or pseudoephedrine, or of any cosmetic that contains a substance specified in RCW 69.43.010(1), if such drug or cosmetic is lawfully sold, transferred, or furnished, over the counter without a prescription under chapter 69.04 or 69.41 RCW.