What Are the Common Symptoms of Influenza?

Influenza-like symptoms are mainly: fever, body temperature above 37.5 ° C, chills, fatigue, headache, dizziness, and sore body; catarrhal symptoms in the respiratory tract, often sore throat, a few have nasal congestion, runny nose, etc. Vomiting, loss of appetite, diarrhea, abdominal pain, etc. A few patients have gastrointestinal symptoms as their main manifestation. The elderly, infants and young children, those with heart and lung disease, or those receiving immunosuppressant therapy can develop pneumonia after contracting the flu.

Flu-like symptoms

Definition of flu-like symptoms

Influenza-like symptoms: In the winter and spring when respiratory infectious diseases are high, if clinical symptoms similar to influenza occur, they are called flu-like symptoms.

Flu-like symptoms

Influenza-like symptoms are mainly: fever, body temperature above 37.5 ° C, chills, fatigue, headache, dizziness, and sore body; catarrhal symptoms in the respiratory tract, often sore throat, a few have nasal congestion, runny nose, etc. A few have nausea, Vomiting, loss of appetite, diarrhea, abdominal pain, etc. A few patients have gastrointestinal symptoms as their main manifestation. The elderly, infants and young children, those with heart and lung disease, or those receiving immunosuppressant therapy can develop pneumonia after contracting the flu.