When you have blood in your stool it can look a few different ways. You may have bright red streaks of blood on your poop or you could see blood mixed in with it. Stool could also look very dark, almost black, and tarry. Sometimes, you can have blood in your stool that's not visible.
Because it's older blood instead it might look more like black tar mixed with the poop. If theMoreBecause it's older blood instead it might look more like black tar mixed with the poop. If the cancer is further down the colon or in the rectum. The blood will be fresher smeared.
Blood from a hemorrhoid will look bright red on a piece of toilet paper. Internal, external, and thrombosed hemorrhoids can all bleed. In some cases, a thrombosed hemorrhoid can burst if it becomes too full.
Blood in the stool can be bright red, maroon in color, black and tarry, or occult (not visible to the naked eye). Causes of blood in stool range from harmless, annoying conditions of the gastrointestinal tract such as hemorrhoids to serious conditions such as cancer.