The problem is that I notice a small bump just beside my anus whenever I go to toilet. It doesn't come from inside anus but its resides outside only. And it disappears within few minutes once I take off from toilet after passing stool. I believe that while passing stool, the pressure fills some blood maybe in it which makes a small bump. And there is no pain, itching or anything. There is only one small bump and that too comes only when putting more pressure while in toilet. So, kindly help me and let me know what is it and how to cure it?

Thanking you. :)