Maximum strength expectorant and suppressant thins and loosens mucus and helps controls cough. Extended-release bi-layer tablets provide 12 hours of relief. Contains: Guaifenesin; Pseudoephedrine HCl; Description: Mucinex® DM Max Strength Expectorant and Cough Suppressant 14 Tablets/Box; Quantity: 1 each; For Use With: Individual Use.