How can your baby tell if he has a viral flu

The diagnosis of viral influenza in babies is mainly based on clinical symptoms, signs and laboratory tests, among which clinical symptoms and signs are an important basis for diagnosis.

1. Clinical symptoms

1. Nasal symptoms: Viral influenza often manifests as nasal congestion, runny nose, sneezing and other symptoms, and some children will also have symptoms such as sore throat, cough, and hoarseness;

2. Systemic symptoms: Viral influenza can cause fever, headache, fatigue, muscle aches and other systemic symptoms, and in severe cases, febrile convulsions.

2. Signs

1. Nasal signs: children with viral influenza are usually accompanied by nasal mucosal hyperemia and edema, with watery discharge attached to the inner wall of the nasal cavity, and turbinate hypertrophy;

2. Other signs: Some children may also have pharyngeal congestion, tonsillar enlargement and other manifestations.

3. Laboratory examinations

1. Routine blood examination: the white blood cell count is normal or low and the proportion of lymphocytes is increased during viral infection. If bacterial infection is present, the white blood cell count and neutrophil count are elevated;

2. Etiological examination: such as virus isolation and culture method, immunofluorescence method, etc., which is helpful to determine the cause.

Fourth, auxiliary examination

1. CT scan: it can be observed that the lines of both lungs are increased, and there are patchy shadows, indicating the presence of pneumonia;

2. Chest X-ray: If the baby has a viral cold, the chest X-ray generally has no abnormal findings.

When the baby has the above symptoms, it is recommended that parents take him to the doctor for treatment in time.