Hydronephrosis may or may not cause any symptoms.
If symptoms occur, they may include:
- Pain in the back, waist, lower abdomen, or groin
- Persistent pain with urination or urinary frequency (from urinary tract infections)
- Increased urge to urinate or urinary incontinence
- Dribbling after urination
- Fever
- Nausea and vomiting
- Unexplained itching
Your doctor will ask about your symptoms and medical history, and perform a physical exam, which may involve examination of the pelvis or rectum to feel for blockages. You will likely be referred to a urologist and/or nephrologist for further diagnosis and treatment.
Tests may include:
- Urine tests—to check for blood, protein, bacteria, or other evidence of damage to the kidneys
- Blood tests—to check for evidence of damage to the kidneys
- Bladder catheterization—a thin tube, called a catheter, inserted into the bladder to try to drain it
-
Abdominal ultrasound
—a test that uses sound waves to examine the structures in the abdomen (in this case the kidneys, ureters, and bladder)
- Intravenous urogram (or pyelogram)—an x-ray test that uses contrast dye to assess the structure and function of the kidneys, bladder, and ureters (may not be used if kidneys are damaged)
-
Computed tomography angiography (CTA)
—a type of x-ray that uses a computer to make pictures of the kidneys, bladder, and ureters
-
Magnetic resonance imaging
(MRI scan)
—a test that uses magnetic waves to make pictures of the kidneys, bladder, and ureters
-
Cystoscopy
—a thin, lighted tube inserted through the urethra and into the bladder to examine the lining
- Voiding cystourethrogram—x-rays of the bladder and urethra taken during urination after contrast dye is placed in the bladder