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A member asked:
What can be the possible causes of urine turning black when exposed to air. is it normal? can uti cause urine to turn black after standing for long?
A doctor has provided 1 answer
Alkaptonuria: A relatively benign metabolic disorder, Alkaptonuria is a likely cause. Taking vitamin C would help. Visit this site for info: https://medlineplus.gov/ency/article/001200.htm
Answered 5/31/2019
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