If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a poison control center (1-800-222-1222) right away. Stop use and ask a doctor if cough lasts more than 7 days, cough comes back, or occurs with fever, rash, or headache that lasts. These could be signs of a serious condition. When using this product, do not use more than directed. Do not use 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 doctor or pharmacist before taking this product. Ask a doctor before use if you have - chronic cough that lasts as occurs with smoking, asthma, or emphysema, cough that occurs with too much phlegm (mucus).