Fever in Kids: When to Worry This Back-to-School Season

Few phone calls are more common at our office than the one that starts with “my child feels warm.” Now that classrooms across the Altoona area are back in full swing, fevers are once again one of the top reasons parents reach for our Symptom Checker, where “Fever” sits right alongside Cough & Cold and Stomach Ache as one of the most-used quick-guidance categories. At Pediatric Healthcare Associates, we want every family to feel confident about what a fever means — and when it’s time to call. 

Fever Isn’t the Enemy 

It’s natural to want to bring a number down as fast as possible, but fever itself is actually a normal, healthy sign that your child’s immune system is doing its job. A fever is generally defined as a temperature of 100.4°F (38°C) or higher. What matters most isn’t the exact number on the thermometer — it’s how your child looks and acts, and how old they are. 

What to Watch Alongside the Number 

Two children with the same temperature can look very different. Pay attention to: 

  • Activity level — is your child playful and interactive between fever spikes, or unusually limp and hard to rouse? 
  • Hydration — are they still drinking fluids and making wet diapers or regular trips to the bathroom? Breathing — any rapid breathing, wheezing, or visible effort to breathe? 
  • Rash — any new spots, especially ones that don’t fade when pressed 
  • Other symptoms — cough, sore throat, ear pain, vomiting, or diarrhea that point toward a specific illness 

Home Care for a Feverish Child 

For most school-age kids, a fever alone doesn’t require an office visit right away. At home: 

  • Offer plenty of fluids to prevent dehydration 
  • Dress your child in light clothing rather than bundling them up 
  • Use acetaminophen or ibuprofen as directed by your child’s weight and age if the fever is making them uncomfortable — remember, treating comfort matters more than chasing a specific number
  • Let them rest, and keep them home from school until fever-free for at least 24 hours without medication, per most school policies 

When Age Changes the Rules 

Fever guidance depends heavily on age. Any fever in an infant younger than 3 months (100.4°F or higher, taken rectally) warrants an immediate call to our office, regardless of how the baby otherwise

looks — this age group needs prompt evaluation. Older infants and children generally have more flexibility, but should still be seen if fever persists beyond a few days or comes with other concerning symptoms. 

When to Schedule a Visit 

Use our Symptom Checker for quick, general guidance, and schedule a same-day sick visit if your child: 

  • Is under 3 months old with any fever 
  • Has a fever above 104°F that isn’t responding to medication 
  • Has a fever lasting more than 3 days 
  • Shows signs of dehydration, breathing trouble, a stiff neck, or a rash that doesn’t fade under pressure 
  • Seems unusually lethargic, confused, or difficult to wake 

We’re Here Day or Night 

Our providers at both the Altoona and Roaring Spring offices offer 24-hour on-call support, so a fever after hours doesn’t have to mean an anxious wait until morning. Check our FAQ page for more common parent questions, or contact us or call (814) 944-7383 any time you’re concerned.