Hemorrhoids are pathological hypertrophy of the anal pad and are divided into internal and external hemorrhoids. The symptoms of external hemorrhoids are mainly pain and itching. Internal hemorrhoids are mainly caused by bleeding and prolapse of hemorrhoids after defecation. Internal hemorrhoids are further divided into four stages according to the severity: only hemorrhoids in the stool is stage I; regardless of bleeding, there is prolapse after defecation, but can be recovered by itself If the prolapse is serious, it must be pushed back to the anus with the hand is the third stage; the most serious stage IV is that the hemorrhoids usually prolapse outside the anus and cannot be returned to the anus. Generally speaking, hemorrhoids of stage I and II are mainly treated conservatively, while hemorrhoids of stage III and IV are often treated with surgery.
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