What is the most important information I should know about Promethazine DM (Dextromethorphan And Promethazine)?

You should not use this medicine if you are allergic to dextromethorphan or promethazine, or if you have:

  • asthma or other breathing problems; or
  • an allergy to medicines similar to promethazine (chlorpromazine, fluphenazine, prochlorperazine, thioridazine, and others).
What is the most important information I should know about Promethazine DM (Dextromethorphan And Promethazine)?

What is the most important information I should know about Promethazine DM (Dextromethorphan And Promethazine)? Do not use this medicine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, tranylcypromine, and others.

Tell your doctor if you have ever had:

  • chronic obstructive pulmonary disease (COPD), sleep apnea, or other breathing disorder;
  • a seizure;
  • eczema;
  • bone marrow depression;
  • glaucoma;
  • a stomach ulcer;
  • blockage in your stomach or intestines;
  • a bladder obstruction or other urination problems;
  • an enlarged prostate;
  • liver disease;
  • heart problems; or
  • if you are on bed rest or otherwise debilitated.

Tell your doctor if you are pregnant or breastfeeding.

Taking this medicine during the last 2 weeks of pregnancy may increase the risk of bleeding in the newborn baby.

Ask a doctor before giving this medicine to a child younger than 12 years old.What is the most important information I should know about Promethazine DM (Dextromethorphan And Promethazine)?

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