Q: I have Influenza A, and now both of my children are running fevers. Should they get tested for the flu?
- Myeongchan Kim, MD

- Jul 16
- 2 min read
Medically reviewed by Sang Hyun Ahn, MD
Content edited by Myeongchan Kim, MD
This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.

Question:
I was diagnosed with Influenza A on Thursday, so I sent my children to stay with their grandparents that afternoon. However, early Friday morning, my younger child developed a fever of 38.6°C. They were given a fever reducer, and their temperature stayed down through the morning. A pediatrician checked them and noted that both children had red, swollen throats. My younger child has been fluctuating with mild fevers up to 38°C for two days now. This evening, my older child also started running a fever of 38°C. Should I get both of my children tested for the flu?
Answer:
It is completely understandable that you are worried, especially since you have been diagnosed with Influenza A and now both of your children are experiencing fevers.
Yes, getting them tested for the flu is highly recommended. Because you were confirmed to have Influenza A, there is a high probability of transmission within the family. Additionally, the combination of a fever and a swollen throat closely matches early flu symptoms.
Immediate Medical Evaluation Recommended:
Please take your children to a doctor right away. If it is the weekend, utilize an after-hours pediatric clinic or the emergency room.
Antiviral Treatment: If they test positive for the flu, doctors can prescribe antiviral medications (like Tamiflu), which are most effective when started within 48 hours of symptom onset.
Timing: The most accurate time for a flu test is also within this 48-hour window. While your younger child is around the two-day mark, this is the ideal time for your older child to be evaluated and treated.
Home Care Guidelines:
Fever Reducers: Administer fever-reducing medication (such as acetaminophen) every 4 to 6 hours, but only if the children are uncomfortable or struggling with the fever.
Hydration: Ensure they are drinking plenty of fluids frequently, such as warm water or electrolyte beverages.
Prevention: Wear masks at home to prevent any further transmission among family members.
When to Seek Emergency Care:
Visit the emergency room immediately if either child shows signs of difficulty breathing, dehydration, or a persistent high fever of 40°C or higher.
Early treatment is crucial when managing the flu. Given the confirmed case in your household, please do not delay in seeking an in-person medical evaluation and testing for your children.

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