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A 17-year-old female asked:

I think i have hidden inflammation and my urine has protein in it but my doctor said its fine that its bubbling and today i had black stool. kidney?

1 doctor answer2 doctors weighed in
Dr. Alvin Lin
Geriatrics 32 years experience
Go see your doctor: Black stool is worrisome for bleeding in stomach/intestine/colon (although can also be caused by peptobismol etc). Black stool is not due to a kidney problem. Your doctor can do simple urine test to look for protein (and refer you to gastroenterologist for colonoscopy). More important to work w/doc to get to bottom of what's troubling you. Good luck!
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Last updated Jul 22, 2013
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