Mucinex Day and Night Sinus Max Nightshift 20 Caplets Maximum Strength Mucinex Sinus-Max Day Pressure, Pain & Cough Caplets help to relieve pain, sinus pressure & congestion, headaches, controls cough and thins & loosens mucus. Maximum Strength Mucinex Nightshift Sinus Caplets help to relieve pain, cough, fever, sore throat, runny nose, sneezing & nasal congestion.