Opioid Management After Knee Replacement: A Recovery Guide

Pain control after total knee arthroplasty is essential for rehabilitation, but opioid use should be carefully managed. Most surgeons follow a multimodal approach to minimize narcotic exposure.

Typical Weaning Timeline

• First 1–2 weeks: Scheduled opioids (often combined with acetaminophen) for breakthrough pain.
• Weeks 2–4: Transition to as-needed use; increase non-opioid analgesics (NSAIDs, acetaminophen).
• Weeks 4–6: Most patients discontinue opioids entirely, relying on PT, ice, elevation, and over-the-counter meds.

Strategies to Reduce Opioid Needs

• Regional anesthesia (femoral/fascia-iliaca block) or epidural during surgery.
• Perioperative non-opioid adjuncts: IV acetaminophen, gabapentinoids, COX-2 inhibitors.
• Enhanced recovery protocols (ERAS) emphasizing early mobilization.

Key Principles

• Individualize the plan—no universal timeline fits everyone.
• Follow your surgeon's specific instructions precisely.
• Report inadequate pain control or concerning side effects (constipation, sedation, nausea) promptly.
• Never adjust doses or share medication.

Effective pain management balances comfort with safety, enabling the physical therapy crucial for a successful outcome.