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.
persistent cough or chronic cough such as occurs with smoking, asthma, chronic bronchitis, emphysema
cough accompanied by excessive phlegm (mucus)
cough lasts more than 7 days or occurs with fever, rash, or headaches that lasts. This could be signs of a serious condition