Initial pain after a total knee replacement typically lasts 2 to 4 weeks. You’ll continue to have milder pain in the soft tissues around your knees as you heal. You may experience inflammation for 2 to 3 months and stiffness and soreness for up to 6 months. Expect to be fully recovered in 12 to18 months.
Factors that affect post-surgery pain:
Medication history: If you’ve been taking pain medicine before your knee replacement, your body may have built up a tolerance to pain medication.
Weight: Being overweight puts extra pressure on your joints and could slow recovery and pain reduction.
Disease severity: If you had severe arthritis in your knee before surgery, you’ll feel significantly better than someone who had mild arthritis.