Joint arthroplasty is a major advance in the treatment of chronic joint pain. It is indicated in patients in whose conservative medical therapy has failed. Total knee arthroplasty (TKA) is a surgery that reduces pain and improves function and quality of life in patients with knee disorders, actually is one of the most successful medical procedures. However, a critical consideration in patients with TKA is the successful control of postoperative pain. An adequate pain control allows faster rehabilitation, reduces complications and is highly correlated with patient satisfaction. A multimodal pain management decreases the use of narcotics, improve pain scores, increase patient satisfaction and allows early recovery.