For 6-7 months had white pus or discharge from anus that comes and goes often, butt crack area is very red. no pain/itch or any other symptoms.causes?

Infection?: It sounds like you may have a peri-anal abscess, or a rectal fistula, or maybe a chronic anal fissure. All can be be serious or can become so. If you have had anal sex, then an STD like gonorrhea or chlamydia is possible. You need to see a doctor soon. Good luck.

HPV ---Anal Cancer: Abscesses can form near or within the anus or develop much higher up in the rectum itself. While an abscess can form spontaneously for no apparent reason, it is ccommonly associated with gastrointestinal disease, bowel irregularities, immune suppression, and even certain medications. , in recent years, there has been an increasing number of cases associated with methicillin-resistant Staphylococcu