I had TKR on Mar 9, 2020, and was doing great. No pain when walking, doing great with PT, but had 2 areas that kept draining. The draining got so bad, needed an Imcision and Drainage (I & D). I was told be Dr. that it was due to too much activity that ripped inside stitches, on 05/19. Dr. also did 2 bone biopsies on Tibia which came back negative. Then had staples and stitches after second surgery (first surgery was surgical tape), and had them removed on 06/11. I am still having zingers and pain. Lots of pain at night. Was told by Dr. that he did lots of work and pain is to be expected for awhile. Stopped all PT and do not go back for 4 weeks. Is this normal??