What are possible complications of carbon monoxide (CO) toxicity?

Updated: Sep 18, 2018
  • Author: Guy N Shochat, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Survivors of CO poisoning are at risk for a range of neurologic and psychiatric complications, including the following [42] :

  • Impaired intellectual function
  • Short-term memory loss
  • Dementia
  • Amnesia
  • Psychosis
  • Irritability
  • Dysfunctional gait
  • Speech disorders
  • Parkinson disease [43]
  • Cortical blindness
  • Depression

Survivors of intentional CO poisoning are at extreme risk for subsequent completion of suicide. [3]

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