Kidney tubular acidosis—also called renal tubular acidosis (RTA)—is a condition that occurs when the kidneys do not properly filter acids from the blood into the urine causing the blood to become too acidic.
Without treatment and over time, acidity of the blood can lead to one or more of the following:
There are four types of renal tubular acidosis:
In order to diagnose kidney tubular acidosis, your child's doctor may perform the following tests:
For children with all types of kidney tubular acidosis, the primary goal is to neutralize the acid in the blood. This goal can be accomplished with several types of medicines. Children with RTA are often treated with large doses of an oral alkali (a medicine that neutralizes acid). Examples of oral alkali medicines include sodium bicarbonate and sodium citrate. Your child's doctor may also recommend vitamin D supplements to help prevent bone problems.
Your child’s bone growth and development should improve. Alkali therapy also helps lower the risk of kidney stones as well as stabilizes kidney function so that acute kidney injury does not progress.
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