The possible causes of anal burning are as follows: first, due to rectal inflammation, which can be caused by bacterial infections, or viral infections, and may be caused by autoimmune enteritis, such as Crohn’s disease and ulcerative colitis. Enteritis can cause symptoms of diarrhea, and diarrhea causes burning reactions in the anus due to the large outflow of intestinal fluid, which stimulates the perianal skin. Secondly, anal burning may be caused by local eczema, or due to condyloma acuminatum, which can be accompanied by itching discomfort around the anus. If you find anal burning, you can give potassium permanganate dilution local fumigation, sitz bath, keep the perianal area clean and dry. The actual fact is that you can find a lot of people who are not able to get a good deal on this kind of things.