Proximal renal tubular acidosis

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Kidney anatomy

Kidney - blood and urine flow

Renal tubular acidosis - proximal; Type II RTA; RTA - proximal; Renal tubular acidosis type II

• fatigue
• weakness
• confusion or decreased alertness
• increased rate of breathing
• muscle pain

• Your breathing rate may be rapid as your body attempts to decrease carbon dioxide.
• You may have symptoms of osteomalacia and rickets.
• You may be dehydrated from loss of water into the urine (low potassium levels interfere with the kidney's ability to concentrate the urine).
• Measurements of the blood pH and urine pH may show a problem. The urine may be alkaline, although this may change as the body becomes more acidic.
• A urinalysis may show abnormal levels of phosphate, calcium, glucose, and amino acids in the urine.
• Arterial blood gases and blood chemistries may indicate metabolic acidosis and electrolyte abnormalities.

• urine potassium level (high)
• blood potassium level (low)
• urine citric acid
• urine calcium
• acid loading test (pH)

Review Date: 12/09/2005
Reviewed By: Colm C. Magee, MD, MPH, Medical Director, Renal Transplant, Brigham & Women's Hospital, and Assistant Professor, Harvard Medical School, Boston, MA. Review provided by VeriMed Healthcare Network.