Common Symptoms of Influenza in Children and What Parents Should Know

Influenza, commonly known as the flu, tends to peak during flu season, particularly affecting children. One of the hallmark signs is a sudden onset of high fever, often reaching 39°C to 40°C or higher. Alongside the fever, children may experience sore throat, headaches, body aches, fatigue, and a noticeable drop in appetite. Early symptoms frequently include a dry cough, which can persist for several days. Some children also develop gastrointestinal issues such as vomiting and diarrhea, making it sometimes difficult to distinguish from other viral infections.

Recognizing Atypical Flu Symptoms in Infants

While older children tend to show classic flu symptoms, infants may present with less obvious or atypical signs. Instead of a high fever or cough, they might appear unusually drowsy, refuse feeding, or even exhibit brief episodes of breathing pauses—signs that could indicate sepsis or a more serious systemic infection. These subtle but concerning behaviors require immediate medical attention, especially since young babies are more vulnerable to complications like pneumonia.

Recovery Timeline and Warning Signs of Severe Illness

In uncomplicated cases, most flu symptoms begin to improve within 3 to 7 days. However, lingering cough and reduced energy levels can take 1 to 2 weeks to fully resolve. It's important for parents to monitor their child's progress closely. If a child continues to have a persistent high fever above 39°C, shows signs of labored breathing, extreme lethargy, or develops bluish lips, these could be indicators of severe influenza.

When to Seek Emergency Medical Care

Severe flu cases, especially those complicated by pneumonia, can rapidly escalate into life-threatening conditions. Potential complications include respiratory distress, septic shock, and multi-organ failure affecting the heart and kidneys. These situations demand urgent hospitalization and intensive care. Therefore, during flu season, parents should stay vigilant about changes in their child's temperature, mental alertness, breathing patterns, and overall behavior.

Early recognition and prompt medical evaluation are critical in preventing complications. If you notice any red flags—such as difficulty breathing, chest pain, dehydration, or confusion—do not wait. Seek professional healthcare immediately. Timely intervention can make a significant difference in outcomes, ensuring a safer and faster recovery for your child.