Kidney inflammation

Kidney inflammation is an umbrella term for many different kidney diseases. It causes a decreased output of urine.


Kidney inflammation is an umbrella term for many different kidney diseases. It causes a decreased output of urine. The urine is also bloody and/or cloudy. Swelling of the face and feet and an increase in blood pressure are typical. A doctor should be consulted if these symptoms appear.


Main symptoms

  • Decreased urine output
  • Swelling of the legs/feet and the face (oedema)
  • Bloody and/or cloudy urine
  • Increase in blood pressure (frequently announced by headaches)

Other symptoms

  • General feeling of being unwell: fatigue, exhaustion, nausea, vomiting, high temperature
  • Advanced stage: dull kidney pain (along the side)
  • Pale skin for chronic inflammation
  • Complications: acute and severe deterioration in kidney function (acute kidney failure), seizures

Causes and treatment


  • Immunological and autoimmune processes in the kidneys, e.g. following infection elsewhere in the body (such as after tonsillitis) or in the context of rheumatic diseases
  • Medication such as antibiotics, anti-rheumatic drugs, etc.
  • Metabolic disorders, in particular diabetes
  • Spreading of pyelitis to the kidneys

Further treatment by your doctor / in hospital

Possible tests
  • Blood and urine tests
  • Ultrasound
  • Possibly biopsy (removal of tissue sample) and CT scan (computed tomography)
Possible therapies
  • Antibiotics (for bacterial infections)
  • Medication to lower blood pressure
  • Immunosuppressants (e.g. cortisone)
  • Diuretics
  • Short- or long-term dialysis

What can I do myself?

  • Bed rest
  • Diet: low-salt and low-protein diet with fruit, fruit juices, porridge, vegetables, potatoes, bread
  • Seek treatment for triggering diseases

When to see a doctor?

  • Decreased urine output
  • Reddish to bloody urine, cloudy urine
  • Swelling of the legs/feet and face
  • Noticeable increase in blood pressure
  • Pain in the upper abdomen and/or the sides
  • Additionally: general feeling of being unwell


kidney inflammation, nephritis, glomerulonephritis, nephrotic syndrome, nephritic syndrome

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Exclusion of liability

CSS offers no guarantee for the accuracy and completeness of the information. The information published is no substitute for professional advice from a doctor or pharmacist.

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