Chinese Journal of Pharmacovigilance ›› 2025, Vol. 22 ›› Issue (8): 944-946.
DOI: 10.19803/j.1672-8629.20240817

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One Case of Acute Withdrawal Syndrome Caused by Naloxone

CHEN Huabao1, LIU Wei2, JIANG Ting3, ZHENG Lingli3, LI Jing2*   

  1. 1Department of Pharmacy, Jintang County Second People’s Hospital, Chengdu Sichuan 610000, China;
    2Department of Pharmacy, the First Affiliated Hospital, Chengdu Medical College, Chengdu Sichuan 610000, China;
    3Department of Pharmacy, the First Affiliated Hospital, Chengdu Medical College, Chengdu Sichuan 610000, China
  • Received:2024-10-22 Online:2025-08-15 Published:2025-08-13

Abstract: Objective To investigate the clinical manifestations and mechanisms of naloxone-induced acute withdrawal syndrome during the treatment of acute opioid overdose. Methods The clinical data of a non-small cell lung cancer patient was analyzed, who had experienced acute withdrawal syndrome after receiving a standard naloxone dose for morphine slow-release tablet overdose. Related literature on clinical symptoms, mechanisms, and treatment strategies was reviewed. Results The patient was treated symptomatically for acute withdrawal syndrome and gradually stabilized after adjustment of the naloxone dose and administration method. Conclusion Opioid overdose management requires a personalized approach to naloxone dosing and administration, and the risk of acute withdrawal syndrome should be taken into consideration to ensure the safety of patients.

Key words: Naloxone, Morphine Sustained-Release Tablets, Morphine Poisoning, Acute Withdrawal Syndrome, Adverse Drug Reaction

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