36 yr old female. long-term constipation. today i noticed pain/weird feeling in perineum area & there's a grape sized sore lump to the left side. why?

Thrombosis hemorrhoi: This sounds like a thrombesed hemorrhoid or an abscess If you have fever or chills or the skin surrounding the lump is pink and warm then you may have an abscess. If this is the case you should seek medical attention right away. Not treated an abscess can result in sepsis and long term complications like fistula and even incontinence. You should see a doctor such as a colorectal surgeon to tell