These bidirectional differences are not captured in a traditional equianalgesic table.,; Dose-dependent conversions: The conversion ratio of. Opiate Equianalgesic Dosing Chart. Pharmacy & Therapeutics Committee. Note: Published tables vary in the suggest algesic to morphine. Clinical response is. TABLE 1: OPIOID EQUIANALGESIC TABLE. NB: It is important to recognize the limitations of opioid equianalgesic tables. Equianalgesic doses have been.

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Patient is receiving a total of 5 mg of parenteral hydromorphone in a hour period via a PCA pump. National Institute of Health.

Demand boluses administered by the patient. When switching between opioids, equianalgesic conversions may overestimate the potency of the new opioid due to incomplete cross-tolerance.

Incomplete cross-tolerance is a reduction in equianalgesic dose when changing from one equianalgezic to another. Use of this table for conversion from fentanyl to other opioids can overestimate the dose of the new agent and may result in an overdosage. American Pain Society The following table lists opioid and non-opioid analgesic drugs and their relative potencies.

There are other concerns about equianalgesic charts.

Equianalgesic – Wikipedia

Because transdermal fentanyl has a delayed onset and onset of peak activity, consider titrating every 3 days. Opioid Opiate Equianalgesia Conversion Calculator. Because equianwlgesic listed analgesics are prodrugs or have active metabolitesindividual variation in liver enzymes e.


Analgesics N02AN02B. Equianalgesic tables are available in different formats, such as pocket-sized cards for ease of reference. Practice guidelines for transdermal opioids in malignant pain.

Because equianalgesic tables are inherently inaccurate, dose titration to optimal effect is essential. Principles of analgesic use in the treatment of acute pain and cancer pain. For this reason, reasonable clinical judgment, breakthrough rescue opioid regimens, and dose titration are of paramount importance.

Accessed December 31, MOR is the most commonly used opioid analgesic for pain relief, and its oral daily dose 20 to mg is relatively high Management of equiznalgesic pain: Continue looking for other causes of sedation and respiratory depression.

Agency for Health Care Policy and Research.

Retrieved from ” https: Views Read Edit View history. Pharmacologic treatment of cancer pain.


The addition of basal infusions to PCA increases the incidence and severity of opioid-induced adverse effects, including respiratory depression.

Effects of patch last for 18 – 24 hours after the patch is removed. The amount of opioid required to achieve comfort varies from patient to patient. Equianalgesic dose ratios for opioids. American Pain Society; Doses should be titrated according to individual response. These variables are rarely included in equianalgesic charts.


American Society of Health-System Pharmacists. Basal infusion rates are discouraged unless the patient has been taking scheduled opioids for more than one week. Department of Health and Human Services.

Am J Hosp Pharm.

Oral hour morphine equivalent. Tolerancesensitizationcross-tolerancemetabolismand hyperalgesia may be complex factors in some individuals. Demystifying Opioid Conversion Calculations: As a clinician, it is important to note that there equianalgfsic significant limitations to equianalgesic conversions and tables.

Equianalgesic Chart (Changes in italics)

There is an overall lack of data regarding most equianalgesic conversions, and there is a significant degree of interpatient variability. Refer to Nursing Policies 8.

When converting from PCA administration, add the total amount of opioid that the patient received in the last 24 hours, including. Instantaneously from 5 – 15 sec IV ; 2 – 5 min IM.