What disease causes blue urine?

FAQ

A disease known as “blue diaper syndrome” can cause blue urine. Blue diaper syndrome is a rare genetic disorder that affects the metabolism of tryptophan, an amino acid found in protein-rich foods. In individuals with this condition, tryptophan is not properly metabolized, leading to the production of an abnormal substance called indican.

Indican is excreted in the urine and can cause it to turn blue or blue-green in color. This color change is often more noticeable in diapers, hence the name “blue diaper syndrome.” Apart from blue urine, affected individuals may also have a characteristic odor to their urine.

It’s important to note that blue urine can also be caused by certain medications, dyes, or food additives. If you or someone you know has blue urine, it is advisable to consult a healthcare professional for a proper diagnosis and appropriate management.

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