Disease encyclopedia/Kidneys & urinary tract
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    Kidneys & urinary tractChronic progressiveICD-10 N18

    Chronic kidney disease

    Also called: CKD, Chronic renal failure

    Long-term loss of kidney function over months or years, usually from diabetes or high blood pressure. Often silent until advanced, it greatly increases cardiovascular risk.

    Condition-specific references are below. Individual claims and this page have not been clinically reviewed. Read about this content.

    About 1 in 10 adults worldwide.

    Affected: Kidneys

    Causes

    • Diabetes
    • High blood pressure
    • Glomerulonephritis
    • Polycystic kidney disease
    • Recurrent infections or obstruction
    • Medicines (long-term NSAIDs, lithium)

    Risk factors

    • Diabetes
    • Hypertension
    • Cardiovascular disease
    • Family history
    • Older age
    • Obesity
    • Smoking

    Symptoms

    • Usually none in early stages
    • Tiredness
    • Swollen ankles
    • Foamy urine
    • Itching, nausea and breathlessness in advanced disease

    Diagnosis — tests and examinations

    • eGFR (blood creatinine)
    • Urine albumin–creatinine ratio
    • Kidney ultrasound
    • Staging (G1–G5, A1–A3)

    Treatment

    Medicines and medical treatment

    • ACE inhibitor or ARB
    • SGLT2 inhibitors (dapagliflozin, empagliflozin) slow decline
    • Finerenone in diabetic kidney disease
    • Control blood pressure and glucose; statins
    • Treat anaemia, bone and acid problems

    Operations and procedures

    • Dialysis (haemodialysis or peritoneal)
    • Kidney transplantation

    Self-care, home remedies and lifestyle

    • Avoid NSAIDs
    • Limit salt
    • Stop smoking
    • Dietary advice on potassium, phosphate and protein in later stages

    Possible complications

    • Cardiovascular disease
    • Kidney failure
    • Anaemia
    • Bone disease
    • High potassium

    Prevention

    • Control blood pressure and diabetes; avoid unnecessary NSAIDs

    Outlook

    Progression can often be slowed dramatically with modern treatment.

    When to see a doctor

    Ask for kidney checks if you have diabetes or high blood pressure.

    Sources and further reading

    These sources cover this condition. They have not been checked against every statement on this page.

    • Chronic Kidney Disease — MedlinePlus (U.S. National Library of Medicine)

    Related conditions

    Kidney infection (pyelonephritis)Kidney stonesAcute kidney injuryPolycystic kidney diseaseKidney cancer (renal cell carcinoma)Urinary tract infection

    Educational overview, not medical advice. Treatment varies by person and location. Consult a qualified health professional for diagnosis or care. Read our content and model notes and privacy information.

    Affected: Kidneys

    See it in 3-D

    Kidney (left)Kidney (right)

    Anatomy

    • Kidney

    On this page

    • Causes
    • Risk factors
    • Symptoms
    • Diagnosis — tests and examinations
    • Treatment
    • Complications
    • Prevention
    • Outlook
    • When to see a doctor
    • Sources