Journal of The Korean Society of Clinical Toxicology

Volume 22(2); December 2024

Review Article

Diagnosis and treatment of serotonin syndrome: Je Sung You, Sung Phil Chung; J Korean Soc Clin Toxicol. 2024;22(2):11-17. Published online December 31, 2024; DOI: https://doi.org/10.22537/jksct.2024.00008

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Abstract PDF: Serotonin syndrome is a drug-induced clinical syndrome caused by increased serotonin activity in the central nervous system. It occurs when starting a serotonergic drug, increasing its dose (including overdoses) or using a serotonergic drug in combination with other drugs. It manifests along a broad spectrum, ranging from mild side effects to life-threatening conditions. This condition should be suspected if patients have altered mental states, autonomic dysfunction, or neuromuscular symptoms such as clonus and tremor after using serotonergic drugs. Although the Hunter criteria have been widely used, new diagnostic criteria have recently been proposed to screen severe serotonin toxicity. It is necessary to differentiate it from neuroleptic malignant syndrome, which is associated with taking antipsychotic drugs that exert dopamine-antagonistic effects. If serotonin syndrome is suspected, the relevant drug should be stopped, and the patient should be treated with benzodiazepines. Severely ill patients with hyperthermia or neuromuscular symptoms require aggressive treatment. Serotonin receptor antagonists such as cyproheptadine or chlorpromazine have been tried as antidotes, but the level of evidence for their therapeutic effectiveness is very low.

Original Article

2023 Annual Report of the Seoul Poison Control Center: Su Jeong Yang, Sijin Lee, Su Jin Kim, Young Hoon Yoon, Sung Woo Lee, Seoul Poison Control Center; J Korean Soc Clin Toxicol. 2024;22(2):18-128. Published online December 31, 2024; DOI: https://doi.org/10.22537/jksct.2024.00010

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Abstract PDF: Purpose: The Korea University Anam Hospital Seoul Poison Control Center (Seoul PCC) has provided counseling services and poisoning prevention projects for the public and medical professionals since January 2022. This report summarizes the center’s performance and consultation data for 2023.
Methods
The Seoul PCC operates a helpline (1855-2221) on weekdays from 9 AM to 5 PM, along with chat and chatbot services via KakaoTalk, 1:1 online counseling through its website, and public engagement through social media. Data collected from January to December 2023 were analyzed in terms of case frequency, age, gender, location, reason for exposure, and substance type. Consultation requests from the general public were summarized, and information snapshots were utilized to present information on poisoning-related consultations.
Results
In 2023, the center handled 1,231 consultations, including 1,193 post-exposure and 38 non-exposure cases. Among post-exposure cases, 724 were from Seoul, 429 were from other areas, and 78 were from unspecified locations. Requests originated from the public (30.1%, n=359) and medical staff (69.9%, n=834). Frequently reported substances included medications (61.4%), common household products (13.5%), other household items (6.3%), synthetic toxicants (5.7%), and food (3.9%). Children under 12 accounted for 159 cases (13.3%), with exposures to common household products (45.9%), medications (27.7%), food (10.7%), and stationery/toys (11.5%).
Conclusion
From 2022 to 2023, consultations increased by 113.0%, with child exposures rising 82.7%. Medications remained the most common form of exposure across all ages, while common household products were the leading cause among children under 12. Most exposures were unintentional and occurred at home. In addition, most consultations concluded without a visit to a medical institution.

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