What symptom may indicate a foodborne illness?

Nausea or vomiting are primary symptoms that can indicate a foodborne illness because they are direct responses of the body to toxins, pathogens, or irritants that may have been consumed with contaminated food or drink. These symptoms are common reactions as the body tries to expel harmful substances. Foodborne illnesses often originate from bacteria, viruses, or parasites present in unsafe food and can lead to gastrointestinal distress.

While headaches, fatigue, and coughing can be associated with various other medical conditions or illnesses, they are not specific indicators of foodborne illness. Nausea and vomiting are more closely tied to issues stemming from food contamination, making them key symptoms for diagnosis in such cases. Understanding these symptoms can help in recognizing potential foodborne illnesses and taking the necessary precautions to seek medical care or prevent further exposure.