hi i had gone through your query and understand your concerns. i would come up with the possibility of ANAL FISTULA
is the cause for your sufferings.
the possible causes include;
-usually this is a from a local crypt abscess
i advise you taking Homeopathic
medicines gives safe and permanent cure for your complaints without any surgery
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you