Dark stool vs black stool the difference can be serious. Dark brown stool is often food or iron related. Black, tarry stool may indicate internal bleeding and needs urgent medical attention. Melanotan 2. Nasal tan Pharma one Peptides Dark Stool Causes: Understanding Color Changes Approach to the child with acute diarrhea in resource limited settings UpToDate A mixture of normal stool and melaena (black section of stool in the Download Scientific Diagram