290 medications are known to interact with Mucinex D. Includes metformin, metoprolol, albuterol. Mucinex D (guaifenesin / pseudoephedrine) Drug Interactions Gabarone, Fanatrex); ibuprofen (Advil, Motrin, IBU, Motrin IB, Advil Liqui-Gels, Motrin Childrens, Advil Children;s, How to Prevent Deadly...