openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.
Warnings sections page 1 of 1 · 1 matching rows.
warnings
Guaifenesin Dextromethorphan hydrobromide 100/5 mg/5 mL Warnings Do not use if your child is 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 cough occurs with too much phlegm (mucus) cough lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis, or emphysema ___________________________________________________________________ Stop use and ask a doctor if cough lasts more than 7 days, comes back, or is accompanied by fever, rash or persistent headache. This could be signs of a serious condition. _________________________________________________________________ If pregant or breast-feeding, ask a health professional before use.