25/m small puss filled bump ~1 inch above anus comes and goes about 3 yrs now pops in about 3 days bleeds heals over can repeat in week or 5 months.
Fistula. Sounds like a fistula in ańo but depending on location could be a pilonidal cyst with abscess.
25/m small puss filled bump 1/4 inch above anus comes and goes about 3 yrs now pops in about 3 days bleeds heals over can repeat in week or 5 months.
Likely fistula. Sounds like you have a fistula originating from an anal gland going to the perianal skin, need to see a colon and rectal surgeon ideally at a time it's draining.
Chronic sinus. This could be either a pilonidal sinus or a perianal fistula. Both conditions need surgical treatment. You should consider seeing a general surgeon or colorectal surgeon.