Symptoms of internal hemorrhoids may include blood in stool, pain, itching, prolapse of hemorrhoidal nuclei, and anal swelling. 1. Blood in stool: clinically, it is usually painless blood in stool, manifested as blood dripping from stool or blood on paper, very few manifested as jet-like bleeding, and generally the bleeding can stop by itself. 2. Pain: internal hemorrhoids are generally not painful, but when there is a combination of thrombosis, intussusception and so on, there will be pain, especially when the internal hemorrhoids prolapse hemorrhoids intussusception occurs, the pain is very intense. 3. itching: internal hemorrhoid patients hemorrhoidal prolapse is often accompanied by mucus secretion outflow, stimulate the formation of perianal skin eczema, itching symptoms can occur. 4. hemorrhoidal prolapse: II degree or more of internal hemorrhoids can appear hemorrhoidal prolapse, a small number of prolapsed hemorrhoidal nuclei will be embedded card pressure. 5. anal swelling: when the internal hemorrhoid hemorrhoid nucleus further enlargement, repeated prolapse, hypertrophied hemorrhoid nucleus stimulation of rectal mucosa, mucosal congestion and edema, submucosal thrombosis, or combined with infection and inflammation, etc., can be stimulated to the dentate line near the highly specialized sensory nerve endings receptors, resulting in a sensation of swelling. If you have a case of internal hemorrhoids, you should seek medical treatment in time, under the guidance of a professional physician, and not blindly use medication on your own, resulting in adverse consequences and delays in the condition.