Introduction
Fever is one of the most common reasons parents rush to the emergency room — but not every fever requires urgent medical attention. Understanding what's normal, what's concerning, and when to act can save you stress and help your child recover faster.
What Is a Fever?
A fever is generally defined as a body temperature above 38°C (100.4°F). It is the body's natural immune response to infection and is usually a sign that the immune system is working.
- Low-grade fever: 38°C – 38.9°C
- Moderate fever: 39°C – 39.9°C
- High fever: 40°C and above
Managing Fever by Age Group
Newborns (0–3 months)
Any fever in a newborn is a medical emergency. Go to the hospital immediately — do not wait.
Infants (3–12 months)
A fever above 39°C lasting more than 24 hours warrants a doctor's visit. Watch for signs of dehydration (dry mouth, no tears, reduced urination).
Toddlers & Older Children (1–12 years)
Most fevers in this age group are caused by viral infections and resolve within 3–5 days. Use age-appropriate fever reducers (paracetamol or ibuprofen) and ensure adequate hydration.
Red Flag Symptoms — Seek Immediate Care
- Fever in a baby under 3 months
- Fever above 40°C that doesn't respond to medication
- Seizures or convulsions
- Difficulty breathing or persistent cough
- Rash that doesn't fade when pressed
- Extreme lethargy or unresponsiveness
- Stiff neck or sensitivity to light
- Fever lasting more than 5 days
Home Care Tips
- Keep the child hydrated with water, diluted juice, or oral rehydration solution
- Dress in light clothing and keep the room cool
- Use a digital thermometer for accurate readings (rectal for infants)
- Do NOT use aspirin in children under 16 (risk of Reye's syndrome)
CMCS Recommended Hospitals for Pediatric Care in Shanghai
If your child's fever is persistent or accompanied by any red flag symptoms, CMCS can help you access Shanghai's top pediatric specialists quickly and with English-language support.
🏥 Fudan University Children's Hospital (复旦大学附属儿科医院)
One of China's top-ranked children's hospitals, offering comprehensive pediatric services from general pediatrics to complex subspecialties. Learn more about Pediatric Pulmonology at Fudan Children's Hospital →
🏥 Xinhua Hospital (新华医院)
A leading maternal and child health center affiliated with Shanghai Jiao Tong University, with a nationally recognized pediatrics department. Learn more about Pediatrics at Xinhua Hospital →
How CMCS Can Help
Navigating the Chinese healthcare system with a sick child can be overwhelming. CMCS provides end-to-end medical concierge support — from identifying the right specialist to accompanying you to appointments with interpreter services.
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