Symptoms of Carbon Monoxide Poisoning Checklist

Physical symptoms of CO poisoning vary, depending on the amount of CO in the bloodstream. The higher the concentration, the greater the danger.

Mild Exposure

• Slight headache
• Nausea
• Vomiting
• Fatigue
• Flu-like symptoms

Medium Exposure

• Serve headache
• Drowsiness
• Confusion
• Rapid heart rate

Severe Exposure

• Unconsciousness
• Convulsions
• Cardiac/respiratory failure
• Death

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