What is a key side effect of opioid analgesics?

Study for the UWorld Pharmacology Test. Use flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

A key side effect of opioid analgesics is respiratory depression. Opioids work by binding to specific receptors in the brain and spinal cord, which helps to reduce the perception of pain. However, this mechanism also affects the brain's respiratory centers, leading to decreased responsiveness to carbon dioxide and inhibiting the drive to breathe. As a result, respiratory depression can occur, particularly in situations of overdose or when the dosage is increased.

While other side effects such as constipation, nausea, and drowsiness are also common with opioid use, respiratory depression can be particularly dangerous and potentially life-threatening, making it a crucial aspect of monitoring patients who are receiving these medications. Understanding the risk of respiratory depression helps healthcare providers manage opioid therapy safely and effectively, ensuring that any signs of respiratory distress are promptly addressed.

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