Is Your Child's Fever a Sign of H1N1? Symptoms and Concerns - Pediatrics

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A 9-year-old child has been experiencing a high fever ranging from 37.6°C to 38.5°C for three consecutive days?


The physician's young son, who is in the third grade, was exposed to a new influenza case at his after-school program last Friday, leading to the suspension of classes.
The boy developed a cough on Saturday and experienced loss of appetite and fatigue on Sunday.
He was taken to the emergency department at Nanmen, where he was diagnosed with a common cold.
However, after starting medication on Sunday, he continued to have recurrent fever symptoms until early Tuesday morning, accompanied by chills prior to the fever.
Could this be H1N1?

berry, 40~49 year old female. Ask Date: 2009/09/08

Dr. Xiao Kaiwen reply Pediatrics


There is a clear history of exposure and flu-like symptoms, making the likelihood of a new influenza infection very high.
It is recommended to seek medical attention promptly for rapid testing.

Reply Date: 2009/09/08

More Info


When considering whether your child's fever could be a sign of H1N1, it's essential to understand the context of their symptoms and the recent exposure to a confirmed case of the flu. Given that your child is in the third grade and has been in close contact with someone who tested positive for H1N1, the likelihood of infection is indeed heightened.
H1N1, also known as swine flu, is a subtype of the influenza A virus and can present with symptoms similar to those of seasonal flu. Common symptoms include high fever, cough, sore throat, body aches, headaches, chills, fatigue, and sometimes gastrointestinal symptoms like vomiting or diarrhea. The fact that your child developed a cough and exhibited signs of fatigue and loss of appetite shortly after exposure is concerning and warrants further investigation.

The pattern of your child's symptoms is also significant. The initial presentation of cough followed by fever and chills suggests a viral infection. The persistence of fever despite medication indicates that the body is actively fighting off an infection, which could be viral in nature. While the emergency department initially diagnosed it as a common cold, the ongoing symptoms and the context of exposure to H1N1 raise the possibility of a more serious viral infection.

It is crucial to seek medical attention promptly, especially since your child has been experiencing recurrent fever. A healthcare provider may recommend a rapid flu test or PCR test to confirm whether H1N1 or another strain of influenza is present. These tests are typically more accurate when conducted within the first few days of symptom onset.

In addition to H1N1, other viral infections, such as adenovirus or respiratory syncytial virus (RSV), could also present with similar symptoms. Therefore, it is essential to monitor your child's condition closely. If they experience difficulty breathing, chest pain, persistent vomiting, or if the fever remains high despite medication, you should seek emergency medical care.

In summary, while your child's symptoms could potentially indicate H1N1, a definitive diagnosis can only be made through appropriate testing. Given the recent exposure and the nature of the symptoms, it is advisable to consult with a healthcare professional for further evaluation and management. Early intervention can help mitigate complications and ensure your child's recovery.

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