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Table 5 Mean morphine equivalent daily dose for prescribed opioids

From: An evaluation of continuous subcutaneous infusions across seven NHS acute hospitals: is there potential for 48-hour infusions?

Opioid Mean parenteral daily dose (mg) Mean oral morphine equivalent dose (mg)
Alfentanil hydrochloride 1.8 54
Diamorphine hydrochloride 7.5 22.5
Morphine sulphate 19.14 38.28
Oxycodone hydrochloride 21.09 84.36
  1. N.B Current evidence suggests that doses of parenteral morphine and parenteral oxycodone are equivalent (i.e. 1:1) [26]