DayQuil Cold & Flu Relief LiquiCaps: Temporarily relieves common cold and flu symptoms including nasal congestion, cough due to minor throat and bronchial irritation, sore throat, headache, minor aches and pains and fever. Non-Drowsy. NyQuil Cold & Flu Multi Symptom Relief Liquid Original Flavor: Temporarily relieves common cold and flu symptoms including cough due to minor throat and bronchial irritation, sore throat, headache, minor aches and pains, fever, runny nose and sneezing.