What are the main symptoms of carbon monoxide poisoning?

The main symptoms of carbon monoxide poisoning are:

• headaches
• dizziness
• nausea
• breathlessness
• collapse
• loss of consciousness

Other signs that could point to carbon monoxide poisoning include:

• symptoms only occuring when you’re at home
• symptoms disappearing or getting better when you leave home and coming back when you return
• others in your household experiencing the symptoms – including your pets

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