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Iopamidol is used as a radiopaque contrast enhancement medium used in diagnostic procedures such as computed tomography (CT) scans and other radiologic (x-ray) examination to help in the improved visualization of blood vessels and associated abnormalities in heart, kidney and other organs.

How it works

Iopamidol belongs to a class of drugs known as radiopaque iodinated contrast media. It enhances imaging due to its high iodine content, attenuating the beam of rays during examination.

Common side effects

Nausea, Back pain, Jaw pain, Blurred vision, Chest pain, Confusion, Dizziness, Shortness of breath, Neck redness, Face redness, Increased sweating, Warm sensation, Tachycardia, Heart rate irregular, Fatigue


Expert advice

• Keep yourself well hydrated prior to and following iopamidol administration as dehydration may lead to acute kidney dysfunction.  .  
• Inform your doctor if you have history of liver, kidney, heart or nervous system disease, overactive thyroid, pheochromocytoma, (high blood pressure state due to a tumour in gland near  kidney), diabetes or sickle cell disease ( red blood cell disorder).
• Seek immediate medical attention in case if you observe any burning sensation, pain, or swelling at the injection site or if you have vomiting or diarrhea after Iopamidol is administered.
• Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding.
• Patients allergic to Iopamidol or any of its ingredients or any other radio-opaque contrast media should not take it.

Frequently asked questions


 Q. Is iopamidol radioactive?
Yes. Iodine used in radiological studies does involves radioactivity. 
Q. Is Iopamidol water soluble? 
Yes. Iopamidol is a water soluble iodinated contrast agent.
Q. How does Iopamidol work?
Iopamidol contains iodine, works by enhancing contrasts to body parts and fluids. Iopamidol improves the images obtained during a CT scan, so your doctor can more easily diagnose your condition.

Content on this page was last updated on 04 October, 2016, by Dr. Varun Gupta (MD Pharmacology)