Kavita Nair Kavita Nair Asked 9 months ago

What is a high fever for an infant?

My 10-month-old nephew has a fever, and my sister is very concerned. She's asking what temperature is considered a high fever for an infant. Is there a specific number we should look out for?

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10 answers

Rohan Bhatia Rohan Bhatia Joined Feb 2026 9 months ago
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Infants are tiny bosses, and when their temperature hits 100.4 F, they declare an emergency! Don't wait for them to start talking, just head straight to your pediatrician.

Nisha Roy Nisha Roy Joined May 2026 5 months ago

For infants, any temperature of 100.4 F (38 C) or above is considered a high fever. Please consult a doctor immediately.

Ananya Hegde Ananya Hegde Joined Apr 2026 6 months ago

A temperature of 100.4 F or higher is high for an infant. Please do not try any home remedies or wait for it to go down; get it checked by a pediatrician for absolute safety.

Meera Sen Meera Sen Joined Mar 2026 8 months ago

I understand how scary it is when a baby feels hot. 100.4 F is considered high for an infant. Try to stay calm, dress them in light cotton clothes, and call your pediatrician immediately.

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Consult a pediatric cardiac surgeon

Abhishek Nair Abhishek Nair Joined Apr 2026 7 months ago

According to most child health tracking apps, a reading of 100.4 F or above is a high fever for infants. Monitor their temperature closely with a digital thermometer and consult a doctor right away.

Sarika Joshi Sarika Joshi Joined Apr 2026 7 months ago

A fever of 100.4°F (38°C) or higher is high for infants, especially those under 3 months. It's crucial to seek medical care immediately. Keep them hydrated with breastmilk or formula in the meantime.

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Vikram Rathore Vikram Rathore Joined Apr 2026 7 months ago

When my baby was 4 months old, she had 101 F fever. I did not want to take any risk or guess the medication, so I immediately rushed to our pediatrician. It's always best to let the experts guide you.

Preeti Saxena Preeti Saxena Joined Apr 2026 6 months ago

For infants, 100.4 F is a high fever. I always take my child to Apollo Hospital for proper care. Please ask your pediatrician clearly about the cause and treatment rather than waiting.

Sajid Khan Sajid Khan Joined Apr 2026 6 months ago

In infants, 100.4 F is the standard threshold for high fever. Make sure you don't bundle them up in too many blankets as it traps heat. Get them evaluated by a pediatrician as soon as possible.

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