Do flu patients experience nausea or vomiting?

Influenza refers to the flu, and "wanting to vomit" indicates the occurrence of vomiting. Generally speaking, patients with moderate to severe influenza may experience vomiting; however, if the patient's infection symptoms are mild, vomiting may not occur. If necessary, it is recommended to consult a doctor. Detailed explanation is as follows:

Influenza is an acute respiratory infectious disease caused by the influenza virus. After infecting the human body, the virus can not only cause respiratory symptoms but also may trigger gastrointestinal reactions. In patients with moderate to severe influenza, gastrointestinal dysfunction might occur, leading to increased gastrointestinal motility or spasms, thereby causing symptoms such as nausea and vomiting. Following influenza infection, the human body initiates an immune response, releasing certain cytokines. While these cytokines perform immune functions, they may also affect the normal functioning of the gastrointestinal tract, resulting in discomfort such as vomiting.

However, if a patient's infection symptoms are mild and the virus remains primarily localized in the respiratory tract without causing significant irritation or impact to the gastrointestinal tract, vomiting symptoms may not appear. In these patients, the immune system can effectively handle the viral infection, keeping the virus under control within a certain range, possibly manifesting only typical flu respiratory symptoms such as fever, cough, and runny nose.

Patients with influenza should choose bland, easily digestible foods, such as rice porridge and noodles, and avoid eating spicy, greasy, or irritating foods to prevent increasing the burden on the gastrointestinal tract.