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Ulcer
An ulcer is an open sore in the lining of the stomach or the upper part of the small intestine. A gastric…
Ulcerative Colitis
Ulcerative colitis is a chronic inflammatory bowel disease that affects the inner lining of the rectum and colon. Inflammation can cause small…
Umbilical Hernia
An umbilical hernia is a bulge that develops when tissue pushes through a weak spot in the abdominal wall near the belly…
Unexplained Skin Rash
A rash is a visible change in the skin’s color, texture, or surface. It may cause itching, burning, tenderness, swelling, scaling, or…
Unexplained Weight Loss
Unexplained weight loss is a decrease in body weight without intentional dieting, increased exercise, or another clear reason. It is sometimes called…
Urethritis
Urethritis is inflammation of the urethra, the tube that carries urine out of the body. Infections, including some sexually transmitted infections, are…
Uric Acid Blood Test
Uric acid is a waste product made when the body breaks down substances called purines. A uric acid blood test measures the…
Urinary Retention
Urinary retention means you cannot empty your bladder fully or cannot urinate at all. It may happen suddenly, which is called acute…
Urinary Tract Infection
A urinary tract infection (UTI) is an infection in part of the urinary system, which includes the kidneys, ureters, bladder, and urethra.…
Urology
Diagnosis and treatment for urinary tract and male reproductive conditions, from kidney stones to prostate care.
Uterine Fibroids
Uterine fibroids are common, noncancerous growths that develop from the muscle of the uterus. A person may have one fibroid or several,…
