Like if you vomit and there’s blood, there’s a big difference between dark, dried blood, and fresh red blood. But anyway, this can vary vastly in severity, from simply rectal tears near the surface, to Chrohn’s disease or tumors. You may wish to read this page (scroll to lower GI in particular) and it would be good to ask a medical professional and not just Lemmy.
Like if you vomit and there’s blood, there’s a big difference between dark, dried blood, and fresh red blood. But anyway, this can vary vastly in severity, from simply rectal tears near the surface, to Chrohn’s disease or tumors. You may wish to read this page (scroll to lower GI in particular) and it would be good to ask a medical professional and not just Lemmy.