1.Two Cases of Opioid-Induced Hyperalgesia in Cancer Patients Treated with Opioids for Pain Management
Sukchul HONG ; Jung Hye KWON ; Su Jung HAN
Korean Journal of Hospice and Palliative Care 2019;22(2):100-104
Opioids are important drugs for the management of severe cancer pain without a ceiling effect. However, opioid administration leads to dose-limiting complications including drowsiness, hallucinations, delirium, respiratory depression, cognitive impairment, seizure, myoclonus, and hyperalgesia. Opioid-induced hyperalgesia (OIH) is a paradoxical phenomenon as opioid exposure increases pain sensitivity. Reducing or stopping opioids, opioid rotation, or co-administration of N-methyl-D-aspartate (NMDA) antagonists have been suggested for the management of OIH. In this study, we report two clinical cases of successful management of OIH in cancer pain patients that were treated with opioids.
Analgesics, Opioid
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Cognition Disorders
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Delirium
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Hallucinations
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Humans
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Hyperalgesia
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Myoclonus
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N-Methylaspartate
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Pain Management
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Respiratory Insufficiency
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Seizures
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Sleep Stages