Sore throat warning: If sore throat is severe, persists for more than 2 days, is accompanied or followed by fever, headache, rash, swelling, nausea or vomiting, consult a doctor promptly. These may be serious.
Ask a doctor before use if you have:
persistent or chronic cough such as occurs with smoking, asthma or emphysema
cough accompanied by excessive phlegm (mucus)
Stop use and ask a doctor if:
cough persists for more than 1 week, tends to recur, or is accompanied by fever, rash, or persistent headache.
These could be signs of a serious condition:
sore mouth does not improve in 7 days
irritation, pain, or redness persists or worsens