The stool is covered with pus-like material or red blood volume. Inflammation of the intestines or external stimuli, such as bacterial enteritis and inflammatory enteritis, can cause damage to the mucous membrane of the intestine, and then pus and blood will appear in the stool.
Many diseases, including anal, rectal and colon diseases, can cause pus and blood in the stool. Let's talk about the common causes of pus and blood in the stool by location.
The disease is divided into one and two stages.
1. The blood is bright red and painless. It is more common in internal hemorrhoids. Stage I hemorrhoids are characterized by blood. They often bleed due to the hemorrhoids being rubbed by the stool. The blood may be dripped, or a thread like an arrow, or only blood on the toilet paper ; Stage II hemorrhoids have little or no bleeding in the stool and often protrude outside the anus.
2. Anal fissure blood in the stool is often accompanied by anal pain and typical periodic pain after stool.
3. Anal cancer is mainly manifested as blood in the stool and pain, which intensifies before defecation.
1. The main symptom of rectal polyps is blood in the stool, which is intermittent, bright red in color, and usually not much. This disease is common in children.
2. The main manifestations of rectal cancer are increased stool frequency, thinner stool, mucus and blood, with tenesmus or incomplete defecation, blood in the stool is bright red or dark red in the early stage, and the amount is not large. There is often foul-smelling mucus in late stool and body weight. Mitigation should be highly valued.
3. Radiation proctitis may also have blood in the stool, but there should be a history of radiation therapy.
1. Colon polyps:
a. Juvenile polyposis of the colon. The average age of onset is 6 years old. There is no family history. The main manifestation is blood in the stool, often accompanied by malnutrition, anemia, hypoproteinemia and growth retardation, and often accompanied by congenital malformations. Such as poor intestinal rotation, umbilical hernia and brain edema;
b. Familial juvenile polyposis of the colon: there is a family history, and the symptoms are common features of blood in the stool, rectal prolapse and growth retardation;
c. Cronknite Canda Syndrome (CCS): it is hamartoma polyp syndrome, which is onset in adults, with blood in the stool, diarrhea, large stool volume, and may contain fat, including abdominal pain, anorexia, fatigue, vomiting, and libido And decreased sense of taste. Almost always there are nail (toe) changes, hair loss and pigmentation.
2. Colon cancer: It is common in left colon cancer. Most patients have intractable constipation. It can also be seen that the number of stools increases. When the cancer ruptures, the outside of the stool can be stained with blood or mucus, and even discharge pus.
3. Chronic non-specific ulcerative colitis and bacillary dysentery: blood in the stool can be seen in both, and it is mostly discharged with mucus or pus at the same time, accompanied by abdominal pain.
4. Amoebic dysentery: so that blood is the main symptom, the stool is red in sauce, mucus is much, and there is a foul smell.
5. Hemorrhagic Escherichia coli enteritis: manifested as acute onset, accompanied by fever, diarrhea, may have a history of eating spoiled meat, and often onset in the form of food poisoning.