Hematochezia vs melena: Comparing symptoms, causes, and treatment What is the difference between tarry stools and black stools in terms of gastrointestinal (GI) bleeding? Having melena in stool makes it Melenic Stool NOT Melanotic stool MELENIC MELANOTIC #MedTwitter #IMbound #EMbound #MedEd #GITwitter Stool Colors and What They Can Tell You Your stool color can carry important clues about digestion, diet, or even disease. Most shades are harmless, but some changes signal the need for