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.
Zombie Eyes: What Causes Dark Circles Under Eyes And 6 Foods To Erase Them. Whether you have a full night of shut-eye or havenât slept in 24 hours, you find yourself plagued with dark circles. Concealers, eye creams, and eye exercises seldom tone down the shadowy effect of the dark or blue-black tints under your eyes. Now, before you succumb to the tall tales of an infomercial product, itâs important to know first what causes them.