Do not use Demerol if you have severe asthma or breathing problems.
If you have recently taken an MAO inhibitor like isocarboxazid, methylene blue injection, phenelzine, rasagiline, or tranylcypromine, do not take Demerol.
Demerol has the potential to slow or stop your breathing and may become habit-forming.
This medication may cause life-threatening withdrawal symptoms in the newborn if used during pregnancy.
Demerol can have fatal side effects if combined with alcohol or other drugs that cause drowsiness or slow breathing.
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