Examples of Changing Medications

Work through the following examples of how to change from one opioid to another. Feel free to use your equianalgesic table and calculator. The point of the examples is to get comfortable working with the table, not to memorize it!

D.M., a 71 year old retired Chrysler worker with metastatic colon cancer

(optional - 1:44 sec)


20 mg hydromorphone q 4 hours
Variable, must clinicallytitrate.
1.5 mg hydromorphone q 4 hours
7.5 mg hydromorphone q 4 hours


Equianalgesic table

Dose Equivalents for opioid analgesics in opioid-naive adults and children ≥ 50 kg body weight.
*Fentanyl should not be used in opioid naive patients. Use manufacturer's table for dosing after patient is established on another opioid.