Health Guide

Diatrizoate (Into a vein)

Diatrizoate Meglumine (dye-a-trye-ZOE-ate MEG-loo-meen)

Used to help view images of the body.

Brand Name(s):

Cystografin, Cystografin-Dilute

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. You should not receive it if you had an allergic reaction to diatrizoate.

How to Use This Medicine:


  • A nurse or other health provider will give you this medicine. You will receive this medicine before your X-ray or CT scan. It is given through a needle placed in a vein.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, diabetes, asthma, thyroid problems, multiple myeloma, a pheochromocytoma (adrenal gland tumor), sickle cell disease, hay fever, a food or drug allergy, or an allergy to iodine. Also tell your doctor if you have high blood pressure, blood vessel disease, heart failure, or a history of blood clots.
  • Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Change in how much or how often you urinate
  • Chest pain, fast or uneven heartbeat, shortness of breath, agitation, confusion
  • Fever, chills, increased sweating
  • Lightheadedness, dizziness, fainting
  • Pain in your lower leg (calf)

If you notice these less serious side effects, talk with your doctor:

  • Pain, itching, burning, swelling, or a lump under your skin where the needle is placed
  • Nausea, vomiting
  • Warmth or redness in your face, neck, arms, or upper chest

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 7/4/2018
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