VICKS DAYQUIL COLD AND FLU MULTI-SYMPTOM RELIEF (ACETAMINOPHEN, DEXTROMETHORPHAN HYDROBROMIDE, AND PHENYLEPHRINE HYDROCHLORIDE) LIQUID [THE PROCTER & GAMBLE MANUFACTURING COMPANY] liver disease heart disease high blood pressure thyroid disease diabetes trouble urinating due to enlarged prostate gland cough that occurs with too much phlegm (mucus) persistent or chronic cough as occurs with smoking, asthma, or emphysema a sodium-restricted diet you get nervous, dizzy or sleepless symptoms get worse or last more than 5 days (children) or 7 days (adults) fever gets worse or lasts more than 3 days redness or swelling is present new symptoms occur cough comes back, or occurs with rash or headache that lasts. These could be signs of a serious condition.