Abstract
Purpose of Review
As opioids have become more common in clinical practice for the treatment of both acute and chronic pain, so too has the need for a deeper understanding of the clinical applications of opioid antagonists. The purpose of this review is to present both the longstanding and potential new indications for the use of drugs that block the effects of opioid receptors.
Recent Findings
There is a growing body of data demonstrating the modulation of pain by opioid antagonists. Additional clinical studies that show their direct antinociceptive effects and/or enhancement of the analgesic potency of opioid agonists are warranted.
Summary
We briefly discuss the well-established role that these agents play in the reversal of life-threatening opioid toxicity and explore both existing and expanding clinical applications, including their apparent paradox that they may themselves be associated with analgesia.
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