Benalla Health - • Carbon monoxide is an odourless, colourless gas that may cause a range of symptoms including headache, nausea and vomiting, flushing, muscle pain, weakness, shortness of breath, dizziness, coordination
US Fire Marshals on Twitter: "Know the signs of carbon monoxide poisoning including headache, fatigue, shortness of breath, nausea, & dizziness. High levels of CO poisoning can cause mental confusion, vomiting, loss
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