Pain and trouble with rectum postpartum

I’m almost 6 months postpartum. I had a third degree tear. Even though I felt normal and pain free the first couple of months, I ended up developing pain when I have a bowel movement. Thugs just don’t feel the same. I thought I had hemorrhoids. When I got it checked out, it was some skin that was stitched not healing. My OB thinks I may need to be cut again and seen back up but can’t guarantee that this will help the pain. Sex also hurts because it pulls on the super sensitive area between by vagina and rectum. Has anyone had issues with this sensitivity? If so, what happened? What helped?