morphine (relative potency via various routes)
Last reviewed 09/2021
The relative potency of morphine when given by various routes is given below:
|Route||Potency relative to oral morphine|
i.e. 3mg oral morphine is equivalent to 1mg of subcutaneous diamorphine
Check summary of product characteristics before prescribing any drugs mentioned.
- West Midlands Palliative Care Physicians (2003). Palliative care - guidelines for the use of drugs in symptom control.