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What are the warning signs of carbon monoxide poisoning?

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Early warning signs of carbon monoxide poisoning include headache, dizziness and nausea, according to WebMD. As the poison builds in the blood, symptoms worsen and can include confusion, drowsiness, chest pain, fast heartbeat and fast breathing. Other symptoms of serious carbon monoxide poisoning include vision problems and seizures.

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Any person exhibiting symptoms of carbon monoxide poisoning needs to leave the area right away and go to the emergency room, according to WebMD. Continuing to breath in the fumes can cause a person to pass out and die.

The signs and symptoms of carbon monoxide poisoning can occur suddenly, or they can develop over a longer period of time depending on the severity of the exposure to this gas. A person who breathes in low levels of carbon monoxide over time can present different signs and symptoms, including shortness of breath, dizziness, nausea while indoors and severe headaches while inside a certain location, reports WebMD. This type of poisoning causes serious heart problems and brain damage.

Since symptoms of carbon monoxide poisoning are similar to those caused by the flu, a doctor typically needs to perform a blood test to measure the amount of the poison in the blood, according to WebMD.

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