MME Formula:
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Definition: This calculator computes Morphine Milligram Equivalents (MME) based on the opioid dose and its conversion factor to morphine.
Purpose: It helps healthcare professionals standardize opioid doses to morphine equivalents for safer prescribing and monitoring.
The calculator uses the formula:
Where:
Explanation: The opioid dose is multiplied by its conversion factor to standardize it to morphine equivalents for comparison.
Details: MME calculation helps assess opioid overdose risk, guide prescribing decisions, and monitor patients on chronic opioid therapy.
Tips: Enter the opioid dose in mg and the appropriate conversion factor (available from GlobalRPH tables). All values must be > 0.
Q1: What is MME used for?
A: MME helps standardize different opioids to a common metric (morphine) for dose comparison and risk assessment.
Q2: Where can I find conversion factors?
A: Refer to GlobalRPH's opioid conversion tables or CDC guidelines for standard conversion factors.
Q3: What's considered a high MME?
A: Generally, ≥50 MME/day increases overdose risk, and ≥90 MME/day significantly increases risk.
Q4: Does this calculator account for route of administration?
A: No, ensure you're using the appropriate conversion factor for the specific route (oral, IV, etc.).
Q5: Can I use this for all opioids?
A: Yes, as long as you have the correct conversion factor for the specific opioid.