What reason is hematochezia caused?

summary

Hematochezia refers to the discharge of blood from the anus, bloody stool, or all bloody stool with bright red, dark red or tarry color, all of which are called hematochezia. Hematochezia is commonly seen in lower gastrointestinal bleeding, especially in colon and rectum, but occasionally in upper gastrointestinal bleeding. The color of hematochezia depends on the location of gastrointestinal bleeding, the amount of bleeding and the time of blood staying in the intestinal tract. What reason is hematochezia caused? Let's talk about it

What reason is hematochezia caused?

(1) The causes of hematochezia are anal diseases: 1. Patients with bright red blood and no pain are more common in internal hemorrhoids. Stage I hemorrhoids are characterized by hematochezia, and often bleed due to stool scratching hemorrhoids. The blood is dripped continuously, or can be ejected, or only on toilet paper; Stage II hemorrhoids and hematochezia is not much or no bleeding, often out of the anus. (2) bloody stool of anal fissure is often accompanied by anal pain and typical periodic pain after defecation. ③ The main manifestations of anal cancer were bloody stool and pain, which aggravated before defecation.

(2) Rectal diseases caused by bloody stool: ① the main symptoms of rectal polyps are bloody stool, intermittent, bright red color, generally not much, this disease is often seen in children. (2) the main manifestations of rectal cancer are increased frequency of defecation, thinner stool, mucus and blood, accompanied by tenesmus or incomplete feeling of defecation. The early stage of bloody stool is bright red or dark red, and the amount is not much. In the late stage of defecation, there is often stench mucus, and weight loss, which should be paid great attention to. ③ Radiation proctitis can also be bloody stool, but there should be a history of radiation therapy.

(3) The causes of hematochezia are colonic diseases: ① colonic polyps. ② Colon cancer: common in the left half of colon cancer, patients with stubborn constipation, can also see the increase in the number of stool, cancer ulceration, can make the stool outside stained with blood or mucus, and even discharge pus. ③ Chronic nonspecific ulcerative colitis and bacillary dysentery: hematochezia can be seen in both, and most of them are discharged at the same time with mucus or pus, accompanied by abdominal pain.

matters needing attention

When hematochezia occurs in our life, we should pay attention to it. No matter what kind of disease is caused, we should go to the hospital in time for examination and symptomatic treatment after clarifying the cause, so as to prevent hematochezia from aggravating, thus affecting our body and bringing greater harm to our health. In particular, hematochezia for a long time can lead to anemia, so we should treat it symptomatically in time.