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Table 7 Opioid conversions

From: Opioid prescribing practices following elective surgery in Otolaryngology-Head & Neck Surgery

Oral Morphine Equivalent Conversions [10, 11]
Opioid Potency Ratio (Opioid: OME) OME to Opioid Ratio
Morphine 1 1
Codeine 0.15 6.67
Tramadol 0.15 6.67
Oxycodone 1.5 0.67
Hydromorphone 5 0.2