If you are asleep, you may not notice any symptoms as they develop
Even if you are awake, early symptoms of CO poisoning can easily be mistaken for the flu, food poisoning, a hangover or general tiredness.
We have listed some of the common symptoms, but not everyone suffering CO poisoning will have all of them
Common symptoms include: -
The greater the amount of CO there is in air or the longer you are breathing in CO, the worse your symptoms may get
…and with very high CO levels
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