when is it time to replace a knee
Signs that it might be time for a knee replacement: 1  Your pain persists or recurs over time. 2  Your knee aches during and after exercise. 3  Youâre no longer as mobile as youâd like to be.  Medication and using a cane arenât delivering enough 1  relief. Your knee stiffens up from sitting in a car or a movie theater.  You feel pain in rainy weather.