Used primarily as a contrast agent in medical imaging, particularly in X-ray and CT scans. It enhances the visibility of internal structures, such as blood vessels, organs, and tissues, by increasing the contrast of the images. Commonly applied in diagnostic procedures like angiography, urography, and myelography. Its high iodine content makes it effective for absorbing X-rays, providing clear and detailed images for accurate diagnosis. It is generally well-tolerated by patients, though precautions are taken for those with kidney issues or iodine allergies.