Find information about kidney conditions in children.

Topics cover:

  • symptoms and complications
  • causes
  • tests to diagnose or find out more
  • treatments
  • follow up
  • what may happen in the future
  • Conditions

    Lowe syndrome

    Read about Lowe syndrome in the rare renal section of the Kidney Care UK website.

    Lowe syndrome - lab test
  • Conditions

    Membranoproliferative glomerulonephritis (MPGN)

    A type of glomerulonephritis, a condition that causes inflammation in the kidneys, which is usually caused by problems with the immune system.

  • Conditions

    Membranous nephropathy

    Read about membranous nephropathy in the rare renal section of the Kidney Care UK website.

    MN - medication
  • Conditions

    Mitochondrial disease affecting the kidney

    Read about Mitochondrial disease affecting the kidney on the UK Kidney Association (UKKA)'s Rare Renal website.

    UKKA Rare Renal logo
  • Conditions

    Multicystic dysplastic kidney (MCDK)

    Instead of a working kidney, an MCDK is made up of a bundle of cysts, which are like sacs filled with liquid.

  • Conditions

    Nephronophthisis (NPHP)

    Read about nephronophthisis (NPHP) in the rare renal section of the Kidney Care UK website.

    NPHP - blood sample
  • Conditions

    Nephrotic syndrome

    Nephrotic syndrome happens in children whose kidneys leak too much protein into their urine, and causes swelling in the body.

  • Conditions

    Nephrotic syndrome: frequently relapsing

    If your child's nephrotic syndrome keeps coming back, this is said to be frequently relapsing and may need further treatment.

  • Conditions

    Pelvi-ureteric junction (PUJ) dysfunction and obstruction

    PUJ dysfunction means a narrowing, hold up or blockage at the point where the pelvis of the kidney joins the tube from kidney to bladder (ureter).

  • Conditions

    Posterior urethral valves (PUV)

    Some boys are born with posterior urethral valves (PUV). These are extra flaps of tissue that are in the tube that carries urine out of the body. PUV need to be removed by surgery.

  • Conditions

    Post-infectious glomerulonephritis (PIGN)

    PIGN happens after an infection in some children, leading to blood and protein in the urine and sometimes other complications.

  • Conditions

    Pregnancy and chronic kidney disease

    Read about pregnancy and chronic kidney disease on the Kidney Care UK website.

    Pregnant woman sitting on bed
  • Conditions


    Proteinuria means there is an abnormal amount of protein in the urine (wee). Normally there is very little protein that is lost in the urine.

  • Conditions

    Renal agenesis

    Most people are born with two kidneys. Renal agenesis (or kidney agenesis) means one or both kidneys do not develop while a baby is growing in the womb.

  • Conditions

    Renal dysplasia

    In renal dysplasia, one or both kidneys do not fully develop, and the affected kidney does not work as well as normal.

  • Conditions

    Renal hypoplasia

    Renal hypoplasia (or kidney hypoplasia) means that part of a kidney does not fully develop in the womb. Renal hypoplasia is relatively common – it is estimated that one baby in a few hundred will be born with one hypoplastic (small) kidney.

  • Conditions

    Retroperitoneal fibrosis

    Read about retroperitoneal fibrosis in the rare renal section of the Kidney Care UK website.

    Retroperitoneal fibrosis - lab test