How would you know if you have an infection in your knee after having a partial knee replacement?

Persistent pain: Persistent pain swelling and a feeling of being unwell are signs to watch for in cases of infection after replacments.

Red, pain, drainage: The common signs of an infection can include the following: -fever -redness around the incision -swelling with redness -drainage from a red and swollen knee -pain with weight bearing in a red swollen knee -blood test that show an elevated WBC count, elevated c-reactive protein, elevated esr - the gold standard is to drain fluid out of the knee and send it to the lab for gram stain and culture.