kidney and urinary tract disorders
Blood in Urine
Causes of Blood in Urine
Blood in the urine may be caused by problems anywhere along the urinary tract from the kidneys to the ureters, bladder, or urethra. Some women at first mistake Vaginal Bleeding for blood in the urine. The most common causes differ somewhat by the person's age but overall are Bladder Infection (cystitis) Prostatitis (prostatitis) Stones in the Urinary Tract (in adults) Overview of Kidney and Urinary Tract Birth Defects None Less common causes include Cancer (of the Kidney Cancer , Noncancerous enlargement of the prostate ( Benign Prostatic Hyperplasia (BPH) ) Disorders of the small blood vessels of the kidneys (called Overview of Kidney Filtering Disorders or glomerular disorders) Cysts in the kidneys ( Polycystic Kidney Disease (PKD) ) Narrowing scars (called Urethral Stricture ) or other abnormalities of the ureters Cancer and benign prostatic hyperplasia may cause blood in the urine. These disorders are a concern mainly in people over 50, although younger people with risk factors (smoking, family history, or chemical exposures) may develop cancer. Disorders of the microscopic blood vessels of the kidneys (glomeruli) can be a cause at any age. Kidney filtering disorders (glomerular disorders) may be part of a kidney disorder or may occur as a result of a disorder elsewhere in the body. These disorders are more likely if the urine has protein, clumps of red blood cells (called red blood cell casts), or malformed red blood cells. Such disorders include infections (such as a heart valve infection), connective tissue disorders (such as Systemic Lupus Erythematosus (SLE) ) and Severe injuries, such as from a fall or a motor vehicle crash, can injure the kidneys or bladder and cause bleeding. Various procedures and surgeries (for example, inserting a catheter or doing a prostate or kidney biopsy) can also cause bleeding. is a parasitic worm that causes a disease called Schistosomiasis in Africa and, to a lesser extent, in India and parts of the Middle East. This worm can invade the urinary tract, causing blood in the urine. Doctors consider Other causes of blood in the urine include bladder inflammation from radiation therapy of the pelvic region, certain drugs, and Overview of Blood Vessel Disorders of the Kidneys . 