A 42-year-old member asked:
can iron in women cause black stools?
1 doctor answer
Dr. Charles Cattano answered
38 years experience Gastroenterology
Melena ?: Dark-colored stools may result from iron supplements, foods you eat (like a lot of spinach), substances (like peptobismol), but most significantly suggests bleeding. When blood is denatured by acid in your stomach, as from ulcers, stools will turn tarry ("melena"). Blood may also be ingested from nose bleeds, bleeding gums... Persistent melena (without obvious cause) & symptoms warrants md visit.
Answered on Feb 14, 2019
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