Guaifenesin Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Mucinex DM 12Hr Maximum Strength Chest Congestion & Cough Medicine For Adults, Cold And Cough Medicine for Excess Mucus Relief, 1200 mg Guaifenesin & 60 mg Dextromethorphan HBr, 42 Bi-Layer Tablets Added to wishlistRemoved from wishlist 0 Add to compare $7.99