1. Internal hemorrhoids occur above the dentate line of the anal canal. Internal hemorrhoids are generally not painful, so that blood and hemorrhoids prolapse are the main symptoms. In severe cases, hemorrhoids may spurt, and hemorrhoids cannot be repaid by themselves after hemorrhoids are prolapsed. There is also difficulty in defecation, and it is difficult to wipe clean after defecation. , There is a sense of bulging, etc. Generally there is no pain, but severe pain occurs when there is thrombosis and incarceration.
2. External hemorrhoids are located below the tooth line, with pain and lumps as the main symptoms. There are skin tags of different sizes and shapes around the anus. According to its different pathological characteristics, it can be divided into four types: varicose, connective tissue, thrombosis and inflammation. The first two generally have no obvious discomfort, while the latter two have obvious pain. Among them, inflammatory external hemorrhoids are the most common, which are mainly manifested by protruding skin folds on the anal margin, redness, heat pain, edema, congestion, tenderness, increased pain during defecation, and a small amount of secretions, and some may be accompanied by general malaise and fever.
3. Mixed hemorrhoids have the dual characteristics of internal and external hemorrhoids. The main clinical symptoms are rectal mucosa and skin prolapse, swelling, pain, and repeated infections.