This is going to be a bit embarrassing.
Without seeing your anus and inside the anus from what you are describing is a hemorrhoid. A hemorrhoid is an engorged mass veins that can be inside and/or inside the anus. Although uncomfortable, this condition can be eaasily treated. On the other hand to get the diagnosis of a fissure or fistula through the anus and inside the rectum you need to see a physician. The more severe diagnosis are more painful and you would get bright red blood when you wipe. You could also get blood if you have hemorrhoids. Your symptoms will not just go away Try seeing a Recto-Anal Specialist.