Temporarily relieves common cold and flu symptoms nasal congestion, sinus congestion and pressure, cough due to minor throat and bronchial irritation, minor aches and pains, headache, fever, sore throat, reduces swelling of nasal passages, promotes nasal and or sinus drainage. Helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive. Product Benefits. Acetaminophen. Guaifenesin, Phenylephrine HCI. Dextromethorphan HBr.