Maximum Strength Mucinex Fast-Max Day Cold & Flu & Nightshift Night Severe Cold & Flu Caplets combo pack is a Multi-Symptom Relief medicine and All-in-One solution for Cold & Flu symptoms. Day Time Caplets help reduce fever relieve cough chest nasal & sinus congestion that can cause mucus buildup sinus pressure minor aches and pains headache and sore throat. Night Time Caplets help reduce fever relieve cough nasal congestion that leads to stuffy nose minor aches & pains headache sneezing runny nose sore & itchy throat and allergy symptoms. Mucinex is the #1 Cold and Cough brand doctors trust* and #1 Pharmacist Recommended Brand† as well. This product contains 20 caplets – 12 Day Time and 8 Night Time caplets. It can be used by Adults and Children 12 years of age and over.