Contrast-induced acute renal failure is a condition in which acute renal failure occurs or increases in renal failure following contrast agent administration. This risk usually appears within 24-48 hours after the administration of contrast medium, the highest increase in creatinine after 5-7 days and most cases return to normal after 7-10 days.

Contrast agents are iodine-containing substances used to enhance the contrast of structures or body fluids during diagnostic imaging. In addition to the diagnostic benefits, the use of contrast agents may be accompanied by some unwanted side effects.

Contrast agents are substances used to enhance the contrast of body structures or fluids during diagnostic X-ray imaging. They are often used to clearly identify blood vessels and parts of the digestive system.