Anal warts caused by

Anal wart causes hemorrhoids, is due to stool squatting sedentary, stool constipation dry knot, and female pregnancy when the intra-abdominal pressure increased, leading to anal venous reflux obstruction, varicose veins and the formation of venous mass, hemorrhoids volume increased after the anal nerve stimulation, resulting in swelling symptoms. Next anal fissure is mainly due to constipation dry knot, stool is thicker, defecate when the skin around the anus tears, resulting in pain, bleeding, and anal swelling symptoms. Rectal polyps or rectal cancer, in its volume increase can also stimulate the anal nerve, resulting in anal swelling discomfort symptoms.