Blood in stool is mostly considered as gastrointestinal bleeding, and whether it is mixed with blood can be observed from several aspects, such as stool color, stool pattern, and accompanying symptoms.
1. Stool color: If the stool is mixed with blood, when the amount of bleeding is large, the stool can be bright red, and when the amount of bleeding is small, the blood stays in the intestines for a long time, and the stool can be dark red or black, and strawberry jam-like stool may occur in some diseases. When the stool and blood do not mix, the color of the stool can be normal brownish-yellow, and the surrounding water is red.
2. Stool form: if the stool is mixed with blood, when the bleeding is large, the stool form is mostly paste or liquid, and when the bleeding is small, the stool is mixed with blood and more rows of rotten stools containing residue, and blood or mucus can be seen inside and mixed with it.
Stool and blood do not mix, mostly due to rectal, perianal diseases, stools are hard or thin strip-like stools, blood can be seen attached to the surface of the stool, and there is a combination of post-stool dripping blood, post-stool perianal pain.
3. Accompanying symptoms: when blood in stool is accompanied by fever, abdominal mass, abdominal pain and other symptoms, most of the blood in stool appears in the form of blood mixed with stool, which needs to be considered more for infections, tumors, inflammatory bowel disease, intestinal necrosis and other diseases.
When blood in stool is accompanied by anal pain during defecation, a feeling of urgency and heaviness, dripping blood after defecation, etc., most of the blood in stool appears in the form of blood adhering to the surface of stool, which needs to be considered as rectal and perianal diseases.
When the symptoms of blood in stool appear, it is recommended to go to the local regular hospital for further examination and standardized treatment under the guidance of specialists.