Which symptom is NOT associated with carbon monoxide poisoning?

Carbon monoxide (CO) poisoning is known for a range of symptoms that arise because CO interferes with the body’s ability to transport oxygen. Symptoms typically include headache, dizziness, and confusion, as these reflect the body and brain's response to reduced oxygen availability.

Headaches are common due to insufficient oxygen reaching brain cells, leading to discomfort and pain. Dizziness is another prevalent symptom, triggered by similar oxygen deprivation affecting equilibrium. Confusion can manifest as the condition becomes more severe, signifying significant issues with cognitive function due to inadequate oxygen supply.

A rash, on the other hand, is not a recognized symptom of carbon monoxide poisoning. It relates more to skin conditions, allergic reactions, or infections, which are unrelated to CO management or exposure. Therefore, identifying a rash as a symptom of CO poisoning demonstrates a misunderstanding of how this toxic gas affects the body, as it does not impact the skin directly or produce any dermatological manifestations associated with carbon monoxide exposure.