Symptoms of nephritis vary according to the type and the cause but include pain in the kidney area or abdomen, frequent need to urinate, urine that is cloudy or contains blood or pus, pain or burning with urination, and swelling of the face, legs or feet, according to Healthline. Doctors diagnose nephritis through blood tests, urinalysis, imaging scans or biopsy.Continue Reading
Urinalysis can detect the presence of bacteria, blood or white blood cells, which are indications of infection, explains Healthline. Blood tests that show an increase in creatinine or blood urea nitrogen levels can indicate that the kidneys are not filtering waste products from the blood adequately. Imaging scans, such as a CT scan or an ultrasound, are useful for detecting inflammation of the kidneys or a blockage in the urinary tract. The American Academy of Family Physicians considers a renal biopsy to be one of the best ways to diagnose nephritis.
Nephritis is a condition in which all or part of the kidneys become inflamed, states Healthline. Pyelonephritis is inflammation of the whole kidney, usually due to infection. In interstitial nephritis, there is inflammation in the spaces between the tubules of the kidneys. This type of nephritis is commonly the result of an allergic reaction to medicine. Glomerulonephritis, the cause of which is unknown, produces inflammation in the capillaries of the kidneys, preventing them from filtering blood.Learn more about Pain & Symptoms