Why do hemorrhoids bleed?

Hemorrhoids patients are prone to symptoms of hematochezia, mainly related to the cause of hemorrhoids. Hemorrhoids is one of the most common diseases in anorectal department. The cause of the disease is related to anal pad depression and anal venous plexus dilation. The venous plexus above the dentate line expands to form internal hemorrhoids. The venous plexus below the dentate line expands to form external hemorrhoids. If there are venous plexus dilation above and below the dentate line, mixed hemorrhoids form. In the process of defecation, due to the friction of feces, it may damage the anal mucosa and venous vessels, which will cause hematochezia. It is manifested as spatter bleeding or blood dripping on the feces during or after defecation. For hemorrhoids patients, it is necessary to pay attention to the adjustment of eating habits at ordinary times, which can reduce the stimulation to the anal canal and reduce the impact on the lesions, and maintain the patient's condition.