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[Opioid-induced pruritus].

Joachim Frost1, Olav Spigset

  • 1Avdeling for klinisk farmakologi, St. Olavs hospital, Norway. joachim.frost@legemidler.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|October 19, 2012
PubMed
Summary
This summary is machine-generated.

Opioid-induced pruritus, often following spinal or epidural administration, significantly impacts patient quality of life. While the exact cause is unknown, µ-opioid receptor antagonists like naloxone show promise in managing this troublesome side effect.

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Area of Science:

  • Pharmacology
  • Neuroscience
  • Anesthesiology

Context:

  • Pruritus is a frequent adverse effect of opioid analgesics, especially after neuraxial administration.
  • Opioid-induced pruritus negatively impacts patient well-being and treatment adherence.
  • The underlying mechanisms of opioid-induced pruritus are not fully elucidated.

Purpose:

  • To review the current understanding of opioid-induced pruritus.
  • To explore the role of the µ-opioid receptor system in its pathogenesis.
  • To discuss existing and potential treatment strategies.

Summary:

  • Opioid-induced pruritus is a common and bothersome side effect, particularly with spinal and epidural opioids.
  • The µ-opioid receptor system is implicated in the development of this pruritus.
  • Current treatments are not consistently effective, though naloxone and ondansetron have shown documented benefits.

Impact:

  • Highlights the need for better understanding and management of opioid-induced pruritus.
  • Informs clinical practice regarding the use of µ-opioid receptor antagonists.
  • Suggests avenues for future research into novel therapeutic targets.