Nothing but problems with my left knee since initial TKR 4 years ago! Revision TKR performed in November 22', Manipulation done one month later December 22'. Last month during PT a therapist noticed redness in the top portion of my incision (thigh area). I was prescribed antibiotics (a 14-day treatment). The surgeon indicated at a follow-up visit that it was blood seeping to surface, which can happen after MUA, and not to worry. Three weeks later upper part of incision still red, not worse, but not better. It still itches, sometimes small red bumps appear. I called the practice indicating my concern and was told to come in. A different antibiotic has been prescribed. It's been 10 days now - the redness which comes/goes is back. It appears to be spreading in thin red streaks. I will continue taking this course of antibiotics and I'm continuing with PT and exercises at home desperate to get more ROM. While the doctor and the PA's don't seem to be too concerned...I am very worried. Anyone else have this or similar experience and what was outcome? I do have an appointment later this week.