What is a common indicator of carbon monoxide poisoning?

A common indicator of carbon monoxide poisoning is the presence of headache and dizziness. This is primarily due to the way carbon monoxide interacts with hemoglobin in the blood, forming carboxyhemoglobin which effectively reduces the blood's ability to carry oxygen. As oxygen levels in the body decrease, patients commonly experience symptoms such as headache, dizziness, confusion, and in more severe cases, loss of consciousness.

The identification of these symptoms is crucial for timely diagnosis and treatment, as carbon monoxide is a colorless, odorless gas that can cause significant harm before individuals are even aware of their exposure. While other symptoms may appear as the condition progresses, headache and dizziness are typically among the earliest signs, making them key indicators when assessing potential carbon monoxide poisoning.