NOTE: The xanthine bronchodilator subclassification (RE104) includes single-entity dyphylline-containing products. Antiasthma combination products containing two or more active ingredients from different subclassififcations are included in the "antiasthma, other" subclassification (RE109). Both single entity and combinations of antitussives and expectorants will be included in subclassifications (RE301) or (RE302). Any of these products with at least one opioid is included in subclassification (RE301). The "cold remedies, other" subclassification (RE599) contains all cold/cough preparations which were not included in subclassifications (RE200,RE301,RE302 or RE500) through (RE516).