Which hemorrhoids require surgical treatment?

Recently outpatient clinic, found many patients were unscrupulous doctors lulled into surgery, even eczema said mixed hemorrhoids, fibropapilloma said partly cancerous, patients can not identify, and finally suffering. In fact, 80% of hemorrhoids do not require surgery, and the only ones that do are the following: (1) Hemorrhoids that bleed frequently, bleed heavily, and even cause anemia. (2 Hemorrhoids often repeatedly prolapse edema, painful, affecting life. (3 Hemorrhoids combined with anal fissures, tearing sensation and bleeding every time you have a bowel movement. (4 Hemorrhoids combined with anal papilloma, with the swelling prolapsing every time you have a bowel movement. (5 External hemorrhoids combined with eczema, often itchy and unpleasant. Other than that, asymptomatic hemorrhoids do not require surgery, and hemorrhoids that do not flare up frequently can be relieved by paying attention to life maintenance and using medication under the guidance of a doctor.