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Distal renal tubular acidosis

  • Alternative Names

    Renal tubular acidosis - distal; Renal tubular acidosis type I; Type I RTA; RTA - distal; Classical RTA

    • Confusion or decreased alertness
    • Fatigue
    • Impaired growth
    • Increased breathing rate
    • Kidney stones
    • Nephrocalcinosis
    • Osteomalacia
    • Rickets
    • Muscle weakness

    Other symptoms can include:

    • Bone pain
    • Decreased urine output
    • Increased heart rate or irregular heartbeat
    • Muscle cramps
    • Pain in the back, flank, or abdomen
    • Skeletal abnormalities

    Signs and tests

    Arterial blood gas and blood chemistries may suggest metabolic acidosis or electrolyte imbalances, most often low levels of potassium or bicarbonate.

    Other tests that may be done include:

    • Urine pH, usually greater than 5.0 in patients with this condition
    • Urinalysis may show increased levels of calcium and potassium