Maximum Strength Mucinex Fast-Max Day Severe Congestion & Cough & Nightshift Night Cold & Flu Caplets combo pack is a Multi-Symptom Relief medicine for Severe Congestion & Cold & Flu symptoms. Day Time Caplets helps relieve severe congestion & cough, nasal & sinus congestion that can cause mucus buildup, sinus pressure. Night Time Caplets helps reduce fever, relieve cough, fever, sore throat, runny nose and sneezing. Nighttime relief for a better morning! Mucinex is the #1 Cold and Cough brand doctors trust for themselves and their families* and #1 Pharmacist Recommended Expectorant as well. This product contains 40 caplets – 24 Day Time and 16 Night Time caplets. It can be used by Adults and Children 12 years of age and over. KEY INGREDIENTS DAY TIME ACTIVE INGREDIENTS PER CAPLET: Contains Dextromethorphan HBr - Cough Suppressant; Guaifenesin - Expectorant; Phenylephrine HCI - Nasal Decongestant. NIGHT TIME ACTIVE INGREDIENTS PER CAPLET: Contains Acetaminophen - Pain reliever and Fever reducer; Dextromethorphan HBr - Cough Suppressant; Triprolidine HCI - Antihistamine. Do not take the Maximum Strength Mucinex Fast-Max Day Severe Congestion & Cough & Nightshift Night Cold & Flu Caplets at the same time. Always wait at least 4 hours before taking another dose of Mucinex caplets. Do not take more than a total of 12 caplets in any 24-hour period. Take only as directed. *IQVIA using ProVoice Survey, August 2020 U.S. News & World Report/Pharmacy Times 2020-2021