Low levels of carbon monoxide poisoning can be confused with flu symptoms, food poisoning or other illnesses and can have a long term health risk if left unattended. Some of the symptoms are the following.
- Shortness of breath
- Mild nausea
- Mild headaches
Moderate levels of CO exposure can cause death if the following symptoms persist for a long measure of time.
High levels of CO can be fatal causing death within minutes.