Call your doctor right away if any of the following things happen:

  • Redness, swelling, or drainage from around your incision.
  • An unexplained fever (temperature over 100 degrees Fahrenheit or 38 degrees Centigrade) or chills that last more than a day
  • Severe knee pain that is not relieved by your pain medicine.
  • Any sudden swelling in your thigh or calf.

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