in one of above posts, you me
"...SECOND it start after i have ....a swell on my
sphencter on the left side of my
anus after aweek it burst and it had a yellow fluid with blood "
This was abscess - a collection of pus, which occurs either in chronoc infection or in inflammation of large bowel.
1. Stool culture test - to find microbes
2. Colonoscopy which can
show, what actually is with your colon.