Maximum Strength Mucinex Fast-Max Cold & Flu and Mucinex Nightshift Severe Cold & Flu are all-in-one, multi-symptom cold and flu relief medicines for day & night cold and flu symptoms. Mucinex Fast-Max Cold & Flu liquid helps reduce fever & relieves sore throat pain, headache, body pain, cough, chest congestion, nasal congestion and sinus pressure. Mucinex Nightshift Severe Cold & Flu liquid helps reduce fever & relieves sore throat pain, headache, body pain, cough, nasal congestion, sneezing & runny nose for a better morning. Mucinex is the #1 Cough & Cold Brand Doctors Trust* and #1 Pharmacist Recommended Brand**. This product contains a total of 12 Fl Oz (2x6 Fl Oz bottles). It can be used by adults and children 12 years of age and over. KEY INGREDIENTS DAYTIME ACTIVE INGREDIENTS: Acetaminophen - Pain reliever and fever reducer; Dextromethorphan HBr - Cough suppressant; Guaifenesin - Expectorant; Phenylephrine HCI - Nasal decongestant NIGHTTIME ACTIVE INGREDIENTS: Acetaminophen - Pain reliever and fever reducer; Dextromethorphan HBr - Cough suppressant; Phenylephrine HCI - Nasal decongestant; Triprolidine HCl – Antihistamine Do not take Mucinex Fast-Max Cold & Flu and Mucinex Nightshift Severe Cold & Flu at the same time. Always wait at least 4 hours before taking another dose of Mucinex liquid. TAKE ONLY AS DIRECTED. *IQVIA using ProVoice Survey, August 2023. **U.S. News & World Report/Pharmacy Times 2023-2024.