Anal distension wanting to defecate symptoms can be caused by many reasons, such as diarrhea, constipation, and fecal irritation. Anal sinusitis and proctitis can also cause anal bloating and wanting to defecate due to the stimulation of inflammation. Because hemorrhoids, anal fistula, perianal abscess and other common anal diseases can also lead to anal distension. Eating spicy and irritating food often leads to local congestion of the anal sinus, which can also occur. The symptoms can also be caused by diseases of neighboring organs, such as prostatitis, prostate enlargement, and pelvic inflammatory disease in women, all of which can lead to anal swelling. The actual treatment should be directed at the cause of the problem, with pelvic inflammatory disease and hemorrhoids, which can effectively relieve the anal swelling.