N Engl J Med. Clinical guidelines for the use of chronic opioid therapy in chronic noncancer pain. Accessed November 9, While these equianalgesic tables are current the "best" solution, their limitations should be emphasized:. An alternative algorithm for dosing transdermal fentanyl for cancer-related pain.
When switching between opioids, equianalgesic conversions may overestimate the potency of the new opioid due to incomplete cross-tolerance. Home Academy Blog About.
Oral rescue doses can be offered as needed over the normal dosing interval of the drug typically every 4 hours. Subscribe Free Sign up now and get free updates on successful aging and end of life issues.
Incomplete cross-tolerance can occur due to variability in opioid binding. If a patient with chronic pain is on meperidine, convert patient to an equianalgesic dose of one of the other opioids listed in this table.
Equianalgesic dosage conversion calculator
As stated above, because equianalgesic tables are inherently inaccurate, the availability of breakthrough doses is paramount. Opioid conversions in acute care.
Are you interested in becoming an expert in successful aging and end of life issues for diverse older adults? Currently, there are no empirical studies converting fentanyl to morphine. Check out our amazing drug therapy video series -- The Top Drugs!