POOJA KOTHARIMom of a 8 yr 6 m old boy1 Year agoA. An armpit temperature of 99.4°F (37.4°C) in a baby may be considered slightly elevated, but it's not necessarily indicative of a fever. Normal body temperature can vary slightly from person to person, and armpit temperatures tend to be lower than those taken orally or rectally.
In infants, a fever is typically defined as a rectal temperature of 100.4°F (38°C) or higher. However, if your baby is under 3 months old, any temperature above 100.3°F (37.9°C) should be discussed with a pediatrician, as infants that young are more susceptible to infections and fever may indicate a more serious condition.
If your baby seems otherwise healthy and happy, you can monitor their temperature, offer fluids, and observe for any changes in behavior or symptoms. If you're concerned or if your baby shows signs of discomfort or illness, it's best to contact your pediatrician for further guidance.
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