Safety sealed: this product is sealed in blister units. If Coricidin® HBP backing has been torn or removed, do not use product. 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. Cough that occurs with excessive phlegm (mucus). Persistent or chronic cough as occurs with smoking, asthma, chronic bronchitis, or emphysema. Stop use and ask a doctor if cough lasts more than 7 days, reoccurs, or occurs with fever, rash or persistent headache. These could be signs of a serious condition. 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 right away. Abuse of this product can lead to serious injury.