Tell your caregivers at once if you have a serious side effect such as a cold feeling anywhere in your body, blue lips or fingernails, trouble breathing, little or no urination, irritation or skin changes where the medicine was injected, slow heart rate, sudden numbness or weakness, severe headache, or problems with vision, speech, or balance.
Before taking this medicine
If possible before you receive norepinephrine, tell your caregivers if you have:
high blood pressure (hypertension);
diabetes;
coronary artery disease;
circulation problems;
varicose veins;
overactive thyroid; or
asthma or a sulfite allergy.
Tell your doctor if you are pregnant or breastfeeding.
In an emergency, you may not be able to tell caregivers about your health conditions or if you are pregnant or breastfeeding. Make sure any doctor caring for you afterward knows you received  norepinephrine.
