Which condition does not typically indicate chemical exposure?

In the context of chemical exposure, certain symptoms are typically associated with harmful interactions with hazardous substances, while others are not. Increased appetite does not typically indicate chemical exposure.

In situations of chemical exposure, individuals may experience symptoms such as burns, which can result from contact with corrosive or reactive substances. Confusion can also arise, particularly if the exposure affects the central nervous system or leads to hypoxia due to respiratory distress. Persistent coughing is commonly a response to inhalation of irritants or toxic fumes, indicating a physiological reaction to the chemical.

Conversely, an increased appetite is not recognized as a symptom of chemical exposure and does not correlate with the body’s response to toxins. It is typically not associated with the stress reaction or physiological changes that would follow exposure to hazardous materials. Therefore, it stands out as the only condition from the provided options that does not suggest a reaction to chemical exposure.