Maximum Strength Mucinex FastMax DM Max & Mucinex Nightshift Cold & Flu Liquid provides comprehensive relief for cold and flu symptoms around the clock. FastMax DM Max delivers daytime support with maximum-strength formulation to address cough and congestion, while Nightshift Cold & Flu offers nighttime relief to help you rest comfortably. This dual-action liquid combination tackles multiple symptoms including cough, congestion, and body aches, making it an effective choice for managing cold and flu discomfort throughout your day and night.