Ask a doctor before use if you have persistent or chronic cough such as occurs with smoking, asthma, or emphysema cough that occurs with too much phlegm (mucus). 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. If pregnant or breast-feeding, ask a health professional b Keep out of reach of children. In case of overdose, get medical help or contact a Control Center right away. if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a Other information doctor or pharmacist before taking this product. in children under 6 years of age. When using this product do not exceed recommended dosage. Stop use and ask a doctor or dentist if sore mouth symptoms do not improve in 7 days irritation, pain, or redness persists or worsens I swelling develops cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious condition.