Sorry for what you go through Turgon I also have the same problem, sometimes my rectum hurt like hell into pulsation, I have had this for very long and always had problems with hemorrhoids coming out of nowhere when I ate pizzas or some very nasty meal, also changing diet was not a cure all it diminished the pain and the frequency.
Coffee enema made this condition worth too one time and i stopped using it, it was like toxins rampaging in my delicate colon area. I did take magnesium chlorine or salted water and the flush is completely more powerful than anything I ever tried before, supermandiet recommended it more powerful than a coffee enema, it clean things from the inside, it's very nasty but heaven is coming down to your gut after this. Doing Rolfing I got an advice from my praticionner, making a right angle of your body putting your butt in the air and lying your arms on a surface at the right height, you stretch both arm each to the opposite direction while pushing your butts in the air from your feet, it stretch the spine and goes a long way for moving the lymphe. A night pillow under the spine while sleeping is also a very good idea.
I don't see it lasting if an emotional condition is present and it's not cleared out, I work on deep seated emotions for some time now and I really think guilt plays a big part as anartist said to you. The kind of guilt a mother can inflict upon a child by holding you back from joy and life (I talk from my personnal history). I read in a book on "past trauma memory" a guy healing chronic hemorrhoids (and some other deep stuff) after realizing he was wrongly guilty for having killed a sibling who simply died at a young age.
Let's get guilt fear and desire for punishment go out !