Iohexol is an iodine-based contrast agent. It makes blood vessels, organs and tissues show up clearly on X-rays and CT scans.
Tell the radiology team if you have had a reaction to contrast before, have asthma, kidney disease, thyroid problems or diabetes, especially if you take metformin. Drink fluids after the scan, as advised.
This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.
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