A 36-year-old female asked:
I'm being treated with tetracycline and metronidazole for my h pylori. my stool has been black and tarry . is this a side effect of the meds?
2 doctor answers • 2 doctors weighed in
Family Medicine 30 years experience
Not really: It may be more a sign that you have some internal intestinal bleeding, call your GI Dr. ASAP, and let them know your symptoms and get in to see them.
4k viewsReviewed >2 years ago
ADHD and Autism 25 years experience
4k viewsAnswered >2 years ago
Last updated Feb 27, 2019
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