Family Practitioner Questions Radiologist

How long does the dye stay in your system?

I will have a CT scan with dye. How long does the dye stay in your system?

1 Answer

FamilyPractitionerRadiologist
The dye used in a CT scan, typically injected intravenously, is usually completely eliminated from your system within 24 hours through your urine, meaning you should be able to flush it out within a day by drinking plenty of fluids after your scan.