Why IV Push is the Preferred Route for Opioid Analgesia in Burn Patients

Most Important Reason to Administer Opioid Analgesic by IV Push in a Burn Patient

The most important reason to administer opioid analgesic by IV push in a burn patient is to achieve a fast onset of action and effective pain relief. Burn patients often experience severe pain, which can be debilitating and interfere with their ability to heal. IV push opioid analgesia provides rapid pain relief, which can help to improve the patient’s comfort and quality of life.

Advantages of IV Push Opioid Analgesia

IV push opioid analgesia has several advantages over other routes of administration, including:

  • Fast onset of action: Opioid analgesics administered by IV push typically reach peak serum concentration within 15-30 minutes, providing rapid pain relief.
  • Effective pain relief: IV push opioid analgesia is very effective at relieving pain, even in severe cases.
  • Good bioavailability: Opioids administered by IV push have a bioavailability of nearly 100%, meaning that almost all of the drug is absorbed into the bloodstream.

Disadvantages of Other Routes of Administration

Other routes of opioid administration, such as oral and intramuscular, have slower onsets of action and lower bioavailability. Oral opioids can take up to 2 hours to reach peak serum concentration, and intramuscular opioids can take up to 30 minutes to reach peak serum concentration. Additionally, oral opioids have a bioavailability of 30-60%, and intramuscular opioids have a bioavailability of 60-90%. This means that a larger dose of opioid is needed to achieve the same level of pain relief when administered by these routes.


IV push opioid analgesia is the preferred route of administration for burn patients because it provides rapid onset of action and effective pain relief. Other routes of administration have slower onsets of action and lower bioavailability, which can delay pain relief and increase the risk of opioid-related side effects.

Additional Information


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