Vicks DayQuil COMPLETE plus Vicks VapoCOOL Cold and Flu Medicine is a 354 mL liquid medication designed to provide non-drowsy relief from multiple cold and flu symptoms. This product relieves nasal congestion and pain, chest congestion, cough due to cold, cough with phlegm, sore throat pain, headache, minor aches, fever, and helps to loosen and thin mucus. The active ingredients include acetaminophen as a pain reliever and fever reducer, dextromethorphan HBr as a cough suppressant, guaifenesin as an expectorant, and phenylephrine HCl as a nasal decongestant. It's important to follow the dosing instructions and consult a healthcare professional if symptoms persist.