Common symptoms of acute carbon monoxide poisoning include headache, dizziness, vomiting, and chest pain. What are long term complications of CO poisoning?
Delayed neurologic sequelae (DNS) which includes symptoms of dementia, amnestic syndromes, psychosis, Parkinsonism, and peripheral neuropathy. DNS is most likely to occur in severe cases with LOC with up to 50% of patients with symptomatic acute poisonings developing DNS symptoms which can persist for up to 12 months.
Kuroda H, Fujihara K, Kushimoto S, Aoki M. Novel clinical grading of delayed neurologic sequelae after carbon monoxide poisoning and factors associated with outcome. Neurotoxicology. 2015 May;48:35-43. doi: 10.1016/j.neuro.2015.03.002. Epub 2015 Mar 7. PMID: 25757834.
Contributed by: Emily Plasencia, PharmD on behalf of the Acute & Intensive Care