Relating to dextromethorphan.

Creates violation prohibiting business that makes retail sales of product containing dextromethorphan, or employee of business, from selling or delivering product to individual 17 years of age or younger unless individual has valid prescription. Creates violation prohibiting individual who is 17 years of age or younger from purchasing or receiving product containing dextromethorphan unless individual has valid prescription. Requires trade association representing manufacturers of over-the-counter finished drug products containing dextromethorphan to provide any requesting business that makes retail sales with list of finished drug products containing dextromethorphan marketed by trade association's members. Preempts local governments from further regulating sale, delivery, purchase, receipt or possession of product containing dextromethorphan.