Managing Patients on High Morphine Milligram Equivalent (MME) Medication
Clinicians should avoid increasing opioid dosages to ≥90 MME/day and should work with patients already on high dosages to taper to safer levels due to the established evidence showing increased overdose risk at higher opioid dosages. 1, 2
Risk Stratification by MME Thresholds
The CDC guidelines establish a clear tiered approach to opioid prescribing based on MME thresholds:
- <20 MME/day: Baseline risk level
- 20-49 MME/day: 1.32× increased risk of overdose compared to <20 MME/day 2, 3
- ≥50 MME/day: Significantly increased risk requiring additional precautions 1, 2
- ≥90 MME/day: Substantially higher risk requiring careful justification or tapering 1, 2
- ≥200 MME/day: 2.88× increased risk of opioid-related death 2
Management Algorithm for Patients Based on MME Level
For Patients Approaching or at ≥50 MME/day:
- Reassess whether opioid treatment is meeting the patient's treatment goals 1
- Implement additional precautions:
For Patients at ≥90 MME/day:
For patients not yet at this level: Avoid increasing to ≥90 MME/day unless carefully justified based on:
For patients already at ≥90 MME/day:
- Explain in a nonjudgmental manner the evidence showing increased overdose risk at higher opioid dosages 1
- Empathically review benefits and risks of continued high-dosage therapy 1
- Offer to work with the patient to taper opioids to safer dosages 1
- For patients who agree to taper, collaborate on a personalized tapering plan 1
- For those remaining on high doses, establish clear treatment goals, maximize non-opioid and non-pharmacologic treatments, and consider pain specialist consultation 1
For Patients Not Responding to High-Dose Therapy:
If patients do not experience improvement in pain and function at ≥90 MME/day, or show escalating dosage requirements:
- Discuss alternative approaches to pain management 1
- Consider tapering to lower dosage or discontinuation 1
- Consult with a pain specialist 1
Special Considerations
Patients with Renal Impairment:
- Consider rotating to methadone (if not contraindicated) as it is excreted fecally 1
- Avoid morphine, meperidine, codeine, and tramadol unless no alternatives exist 1
- For opioids primarily eliminated in urine (fentanyl, oxycodone, hydromorphone), carefully titrate and frequently monitor for accumulation 1
Managing Tapering in Long-Term Users:
- Patients tapering after years on high dosages may require very slow tapers 1
- Include pauses in the taper to allow gradual accommodation to lower dosages 1
- Monitor for signs of anxiety, depression, and opioid use disorder that might emerge during tapering 1
- Research suggests mandatory dose reductions may not necessarily worsen self-reported pain scores 4
Common Pitfalls and How to Avoid Them
Failure to recognize state-specific requirements: Some states require specific clinical protocols at certain MME thresholds. For example, Washington state requires pain specialist consultation before increasing to >120 MME/day 1
Overlooking co-prescribed medications: Benzodiazepines and gabapentinoids significantly increase overdose risk when combined with high-dose opioids 1
Inadequate monitoring: Higher MME levels require more frequent monitoring for adverse effects, particularly sedation (which typically precedes respiratory depression) 1
Abrupt discontinuation: Avoid sudden discontinuation of high-dose opioids, which can lead to withdrawal, increased pain, and psychological distress 1, 5
Neglecting to offer naloxone: Patients on ≥50 MME/day should be offered naloxone with education on its use for both patients and household members 1, 2
By following these evidence-based recommendations, clinicians can better manage patients on high MME medications while prioritizing patient safety and quality of life.