What's wrong with diarrhea and bloody stool

I believe many people are familiar with the disease of abdominal pain. Some people have experienced or are experiencing the trouble of this disease. However, it is very rare to have blood in the stool when having diarrhea. I don’t know what causes it. Generally, this situation is closely related to the disease of enteritis. Timely treatment is very necessary for this situation. So, what is the cause of diarrhea and bloody stool?

First, what is the cause of diarrhea and bloody stool? Hemorrhoids, anal fissures, or anal fistulas cause the blood to be bright red in color, and it does not mix with the stool and does not contain mucus. It manifests as blood dripping after defecation, and is more likely to occur when the stool is hard. In bacterial dysentery, the stool is often bloody and pus-like, with a small amount each time, often accompanied by a feeling of tenesmus; in the chronic stage, there are intermittent attacks of mucus, pus and blood in the stool. In amoebic dysentery, the stool is often jam-like or dark red, with large amounts of stool, often accompanied by purulent mucus. Patients often have fever, abdominal distension, abdominal pain, and tenesmus. Schistosomiasis, with a history of contact with infected water, often presents as chronic diarrhea with pus-like or bloody stools.

Second, in ulcerative colitis, the stool is generally mucus, pus and bloody, and in severe cases it may be bloody and watery. Intussusception, discharge of mucus and blood in the stool, often without stool. . Rectal cancer and colon cancer: When the stool becomes thinner and is accompanied by mucus, pus and blood, the possibility of colon cancer should be suspected. Rectal and colon polyps When there are polyps in the rectum, sigmoid colon or descending colon, there will be fresh blood attached to the stool. Blood in the stool is an early sign of intestinal malignancy. Many people are familiar with the symptoms of hemorrhoids and blood in the stool, so as long as the symptoms of blood in the stool appear, they will naturally think that they have hemorrhoids. But they don't know that blood in the stool may also be an early sign of intestinal malignancy. Clinically, 80% of patients with early rectal cancer have been misdiagnosed or missed due to ignoring blood in the stool, thus delaying the treatment of rectal cancer.

What causes diarrhea and bloody stools? Because constipation and hard stools can easily squeeze hemorrhoids and cause bloody stools, patients often try to endure the discomfort, making the stool even drier, and this cycle forms a vicious cycle. Long-term blood in the stool can cause anemia. Long-term bloody stools can easily cause the body to lose a large amount of iron, causing iron deficiency anemia. The anemia symptoms caused generally develop slowly, and there may be no symptoms or mild symptoms in the early stages. When the anemia symptoms are severe, there will be pale complexion, fatigue, loss of appetite, palpitations, rapid heart rate, shortness of breath after physical activity, and edema.