Rectal bleeding

　　The causes of rectal bleeding are as follows:

　　1、Anal Diseases

　　Anal diseases are the most common cause of hematochezia, the hematochezia caused by hemorrhoids and anal fissure are all post-defecation hematochezia, severe cases can spray blood, the blood is bright red, the blood and stool are not mixed, the hematochezia caused by anal fissure is often accompanied by anal pain after defecation. Hemorrhoids bleeding, often when straining during defecation, a small mass protrudes from the anus to the outside, and there is a drop or spray of fresh blood, the amount of bleeding can be large or small, and internal hemorrhoids are often painless.

　　2、Rectal Diseases

　　Rectal polyps are benign tumors of the rectum, hematochezia is the main symptom of rectal polyps, rectal polyps close to the anus sometimes also prolapse outside the anus. This disease is common in children.

　　3、Colonic Diseases

　　The colon, like the rectum, can also have polyps and cancer, ulcerative colitis, dysentery and other diseases can also cause hematochezia, the hematochezia caused by such colitis diseases is mostly mixed with mucus or呈 purulent stool, and accompanied by symptoms such as abdominal pain, fever, urgency, and so on. In addition, some less common diseases, such as enteric typhoid, intestinal tuberculosis, intussusception, and so on, can also cause hematochezia.

　　Blood in the stool is a special symptom of lower gastrointestinal bleeding, especially in the colon, rectum and anal region, indicating that there is an organic lesion in the intestines, it must be highly valued, timely clear diagnosis, and grasp the treatment. When blood in the stool occurs, the following diseases should be considered:

　　一、Anal Diseases

　　1、Blood that is bright red without pain is often seen in internal hemorrhoids,1The characteristic of grade 1 hemorrhoids is hematochezia, often bleeding due to the erosion of hemorrhoids by stool, the blood excreted, or not stopping, or like an arrow, or only with blood on the toilet paper;2The bleeding of grade 1 hemorrhoids is not much or not bleeding, often prolapse outside the anus.

　　2、The hematochezia of anal fissure is often accompanied by anal pain and typical post-defecation periodic pain.

　　3、Anal cancer is mainly manifested by hematochezia and pain, the pain is exacerbated before defecation.

　　二、Rectal Diseases

　　The main symptom of rectal polyps is hematochezia, intermittent, bright red, usually not much, this disease is common in children.

　　1、The main symptom of colorectal cancer is an increase in the frequency of defecation, thinning of the stool, and mucus and blood in the stool.

　　2、There is often a foul-smelling mucus, weight loss, and it should be highly valued.

　　3、Radioactive proctitis can also cause blood in the stool, but there should be a history of radiation therapy.

　　直肠出血的原因主要有肛门疾病、直肠疾病、结肠疾病。直肠出血患者出现鲜血便，可以引起疼痛，出血，肛门总是便意，里急后重。

　　很多时候，直肠出血是由于长期便秘及长期用力排便而成，这通常由不健康的饮食习惯，例如缺乏生果和蔬菜的食物纤维所引致。黄医生提议应改善生活习惯，多吃高纤食物，吸引纤维有增加肠胃蠕动，帮助排便的效果。另外多饮水也能令排便更畅顺，加上多运动和有良好的排便习惯，那就不会大便时会用力过度了。

　　传统检查方法

　　1、指检

　　医生带上塑胶手套，用食指和中指将肛门往外翻，将轮滑油涂抹于肛门处，然后将手指深入肛门内部进行检查，检查过程中患者会承受极大的痛苦，也让患者朋友尴尬不已。由于没有实质性的来进行判断，所以医生只能够根据自己的感觉判断病情，从而来进行治疗。

　　2、视检

　　医生观察便血的颜色、形状、多少等等来进行判断是否患有某种疾病。

　　1.忌食辛热、油腻、粗糙、多渣的食品，忌烟酒、咖啡。

　　2.多食具有清肠热，滋润营养粘膜、通便止血作用的食品，如生梨汁、藕汁、荸荠汁、芦根汁、芹菜汁、胡萝卜、白萝卜（熟食）、苦瓜、茄子、黄瓜、菠菜、金针菜、卷心菜、蛋黄、苹果、无花果、香蕉、黑芝麻、胡桃肉、白木耳等。

　　3. Να είστε χαρούμενοι, να μην είστε θυμωμένοι και να μην προκαλέσετε φωτιά. Η αδιαθεσία και η θυμός θα κάνουν τη μεμβράνη του εντέρου να συστέλλεται, η ροή του αίματος να μην είναι καλή.

　　Η αιμορραγία του大肠 είναι η συνεπαγόμενη ασθένεια άλλων ασθενειών ή ένας από τους συμπτώματα, αλλά η αιμορραγία του大肠 είναι μια κρίσιμη ασθένεια, η θεραπεία της αρχικής ασθένειας βασίζεται στην αντιμετώπιση της αιμορραγίας, συχνά χρησιμοποιείται η θεραπεία φαρμάκων και η χειρουργική θεραπεία. Φαρμακευτική θεραπεία: αιμορραγία ευαισθησία, βιταμίνη K, πιθανότητα της οθόνης κ.λπ. Η χειρουργική αίθουσα λαμβάνει υπόψη την αιτία και λαμβάνει την αντίστοιχη χειρουργική στρατηγική.