Is Pooping With Burning Sensation Concerning? There are a few reasons why spicy food triggers a burning sensation in the stomach. The receptors are on the inside of your GI tract, so putting something on the outside is unlikely to help in the long run. Spicy foods One of the most common reasons your poop burns like acid spicy food. Warts - Anal warts can form due to human papillomavirus infection, and these warts cause stinging pain and burning sensation while pooping. Burning diarrhea can be worrying and painful. !0:!1}}}function B(a,b){for(var d=0;d