Certainly can be: from taking sulfa or other drugs (and of little significance in those cases). Or can be uric acid (the chemical involved in gout.). Treatable.
Answered 5/28/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
A doctor has provided 1 answer
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