Key words: Drug overdose Poisoning ToxicologyĬlinical toxicology has been recognised as a specialty in Hong Kong since 2016. Management on overdose of psychiatric medications (zopiclone, tricyclic antidepressants, selective serotonin reuptake inhibitor, antipsychotics, valproic acid, lithium, and methylphenidate) are discussed with practical tips highlighted. Approaches in managing acute poisoning include supportive measures, decontamination, antidote use, and enhanced elimination. The initial medical assessment on poisoning includes history taking, vital signs monitoring, and focused physical examination.
About 25% of the poisons involved were psychiatric-related medications. In 2016, nearly 4000 poisoning cases involving approximately 6000 poisons were reported to Hong Kong Poison Information Centre.
This article reviews the poisoning epidemiology in Hong Kong, assessment and treatment of acute poisoning, and management of acute psychiatric medication overdose.
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