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warnings
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. Ask a doctor before use if you have a cough that is accompanied by excessive phlegm (mucus), or a persistent or chronic cough such as occurs with smoking, asthma, or emphysema. Stop use and ask a doctor if a cough persists for more than 1 week, tends to recur, or is accompanied by fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition. If pregnant or breast-feeding , ask a health professional before use.