If sore throat is severe, persists more than 2 days, is accompanied or followed by a fever, headache, rash, nausea, or vomiting, consult a doctor promptly. Ask a doctor before use if you have a cough that lasts or is chronic such as occurs with smoking, asthma or emphysema, a cough accompanied by excessive phlegm (mucus).
Stop use and ask a doctor if symptoms do not get better within 7 days, fever worsens or lasts more than 3 days, new symptoms occur. These could be signs of a serious condition.
If pregnant or breast-feeding, ask a health care professional before use.