This information explains what to do after having reaction to the type of intravenous contrast dye checked below:
Magnetic resonance imaging (MRI) contrast:
☐ Gadopentetate dimeglumine (Magnevist®)
☐ Gadobenate dimeglumine (MultiHance®)
☐ Gadoxetate disodium (Eovist®)
☐ Gadobutrol (Gadovist®)
Computed tomography (CT) scan contrast:
☐ Iohexol (Omnipaque™ 300)
☐ Iohexol (Omnipaque™ 350)
☐ Iodixanol (Visipaque™ 320)
What You Should Do Today
☐ You are being sent to the Urgent Care Center or local Emergency Room.
☐ You are able to go home after your study.
☐ You were given diphenhydramine (Benadryl®), which may make you sleepy.
What You Should Do Before Your Next Radiology Exam with Contrast
Tell all your healthcare providers that you have this allergy. We have entered the contrast listed above as an allergy in your medical record at MSK.
For future ☐ CT scan ☐ MRI studies with contrast, follow the instructions checked below:
☐ Your reaction was mild. You do not need to do anything differently before your next scan.
☐ Your reaction was moderate. You need to take medications before every MRI/CT scan you have with contrast. Your primary doctor will give you a prescription for a steroid medication and possibly diphenhydramine (Benadryl®). You will need to start taking these medications the day before your scan.
☐ Your reaction was serious. You should not receive contrast before your next ☐ CT scan or ☐ MRI without talking with your doctor about your allergy.
If you have any questions, call _____________________ and ask to speak to a nurse.