Mixed Opioid Agonist-Antagonists

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Questions and Answers

Opioid agonists-antagonists primarily interact with which receptor to produce analgesic and calming effects?

  • Delta receptor
  • Sigma receptor
  • Mu receptor
  • Kappa receptor (correct)

Which of the following is a common adverse effect associated with opioid agonists-antagonists?

  • Increased respiratory rate
  • Euphoria
  • Increased mental clarity
  • Urinary retention (correct)

What class of medication may cause drug-drug interactions with opioid agonist-antagonists?

  • Barbiturate general anesthetics (correct)
  • Antifungals
  • Macrolide antibiotics
  • Antihistamines

For which patient population should opioid agonists-antagonists be used with caution?

<p>Patients with documented CAD (A)</p> Signup and view all the answers

Which of the following is a reason to prescribe an opioid agonist-antagonist?

<p>To treat moderate to severe pain (D)</p> Signup and view all the answers

What is a primary concern when administering opioid agonists-antagonists to patients?

<p>Risk of respiratory depression (C)</p> Signup and view all the answers

Which of the following describes the mechanism of action of opioid agonist-antagonists?

<p>High affinity for kappa receptor, low affinity for mu receptor (B)</p> Signup and view all the answers

Which of the following is an example of an opioid agonist-antagonist?

<p>Buprenorphine (B)</p> Signup and view all the answers

A patient with which pre-existing condition should be monitored closely while taking opioid agonists-antagonists?

<p>COPD (A)</p> Signup and view all the answers

Besides analgesia, what other symptom might an opioid agonist-antagonist help alleviate?

<p>Calming effect (C)</p> Signup and view all the answers

Flashcards

Opioid Agonists–Antagonists: Mechanism of Action

High affinity for kappa receptor, low affinity for µ receptor.

Opioid Agonists-Antagonists: Names

Buprenorphine, butorphanol, nalbuphine, nalorphine.

Opioid Agonists–Antagonists: Why Prescribe?

Analgesic and calming effects from kappa receptor without respiratory depression from µ receptor.

Opioid Agonists-Antagonists: Indications

Moderate to severe pain, especially with respiratory dysfunction.

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Opioid Agonists-Antagonists: Adverse Effects

Respiratory depression, nausea, vomiting, constipation, biliary spasm, light-headedness, headache, dizziness, psychoses, anxiety, fear, hallucinations, impaired mental processes, urinary retention.

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Opioid Agonists-Antagonists: Cautions

Physical dependence on opioids, COPD, acute MI, CAD, or hypertension, renal or hepatic dysfunction, pregnancy and lactation.

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Opioid Agonists-Antagonists: Drug–Drug

Barbiturate general anesthetics.

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Study Notes

  • This drug class has a high affinity for the kappa receptor but a low affinity for the µ receptor.
  • Includes buprenorphine, butorphanol, nalbuphine, and nalorphine.
  • These are prescribed because analgesic and calming effects are created from the kappa receptor without the respiratory depression from the µ receptor.
  • Indicated for treatment of moderate to severe pain, especially in those with respiratory dysfunction.
  • Use with caution in patients with pre-existing physical dependence on opioids, COPD and other respiratory dysfunction, acute MI, documented CAD, or hypertension, renal or hepatic dysfunction, pregnancy and lactation.
  • Adverse effects include respiratory depression, nausea, vomiting, constipation, biliary spasm, light-headedness, headache, dizziness, psychoses, anxiety, fear, hallucinations, impaired mental processes, and urinary retention.
  • Drug-drug interactions can occur with barbiturate general anesthetics.

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