Temporarily relieves common cold and flu symptoms nasal congestion, sinus congestion and pressure, cough due to minor throat and bronchial irritation, cough to help sleep, minor aches and pains, headache, fever, sore throat, runny nose and sneezing, reduces swelling of nasal passages. Promotes nasal and/or sinus drainage. Product Benefits. Acetaminophen. Phenylephrine HCI. Doxylamine. Succinate. Dextromethorphan HBr.