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 you r 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 occurs with too much phlegm (mucus) or a cough that lasts or is chronic such as occurs with smoking, asthma, or emphysema.
Stop use and ask a doctor if cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistant headache. These could be signs of a serious condition.
If pregnant or breast-feeding, ask a health professional before use. In case of overdose, get medical help or contact a Poison Control Center right away.