Signs and symptoms of carbon monoxide poisoning may include:

  • Dull headache
  • Weakness
  • Dizziness
  • Nausea
  • Vomiting
  • Shortness of breath
  • Confusion
  • Blurred vision
  • Loss of consciousness

Carbon monoxide poisoning can be especially dangerous for people who are sleeping or intoxicated. The fumes may be fatal before anyone realizes there's a problem.

When to see a doctor

If you suspect you've been exposed to carbon monoxide, get into fresh air immediately and seek emergency medical care. If possible, open windows and doors on the way out of the house.

Feb. 21, 2012