Analgesic Conversion Table. 75mg of parenteral meperidine. Meperidine is not recommended for chronic pain.
Determine doses when converting a patient from one opioid to another. Patch duration of effect 48- 72 hrs Takes 12-24 hrs before full analgesic effect of patch occurs after application. Mg24h Duragesic Equivalent μgh recommended 8-22 17 25 23-37 33 50 38-52 50 75 53-67 66 100 68-92 83 125 83-97 95 150 Adapted from the Texas Cancer Council Guidelines for Treatment of Cancer Pain.
Calculate total mg dose taken in past 24-hours.
Conversion to Transdermal Fentanyl Duragesic Parenteral Morphine. Oxycodone is thought to be 15 times stronger than morphine. Administration restricted to approved areas Refer to Pharmacy website Notes. The starting point for dose reduction from the calculated equi-analgesic dose is around 25-50.