An intravenous pyelogram may be used to diagnose disorders that affect the urinary tract, such as kidney stones, bladder stones, enlarged prostate, kidney cysts or urinary tract tumors. During an intravenous pyelogram, you'll have an X-ray dye (iodine contrast solution) injected into a vein in your arm. The dye flows into your kidneys, ureters and bladder, outlining each of these structures.
By Mayo Clinic Staff. Here are some of the most common causes of true under-eye circles. 1  Allergies. 2  Atopic dermatitis (eczema) 3  Contact dermatitis. 4  Fatigue.  Heredity â dark under-eye circles can run in families.
Other things that can contribute to dark circles under the eyes include: medication that causes blood vessels to dilate; scratching or rubbing your eyes excessively, such as during allergy season; regularly sleeping on your stomach; and in our best WebMD impression, you should know they can also be caused by liver diseaseâ¦ possibly deadlyâ¦