VICKS DAYQUIL KIDS FREE OF ARTIFICIAL DYES AND SUGAR COLD AND COUGH PLUS MUCUS (DEXTROMETHORPHAN HBR, GUAIFENESIN) LIQUID [THE PROCTER & GAMBLE MANUFACTURING COMPANY] 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.