Ask a doctor before use if you have cough accompanied by excessive phlegm (mucus) persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema. accompanied by fever, rash, or persistent headache. These could be signs of a serious condition. When using this product do not exceed recommended dosage do not use for more than 7 days. Stop use and ask a doctor if cough lasts for more than 7 days, recurs, or is. If pregnant or breast-feeding, ask a healthcare 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. Warnings 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.