Fever Temperature Range. A high grade fever happens when your body. A review published in 2021 noted that.

99.1 to 100.4 f (37.3 to. Adults typically have a fever if their body temperature increases to 100.4°f (38°c).
High Fever In Infants And Children Over 3 Months.
For adults and older children.
It Is Caused By Infections Or Other Illnesses Like Flu, Overheating, Or Dehydration.
It’s usually a sign of infection.
A Fever Is A Rise In Body Temperature.
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In An Adult, A Fever May Be Elevated, High Or Very High:
A temperature of above 100.4°f (38°c) signals a fever.
The Fever Itself Is Generally Harmless And Probably Helpful.
A review published in 2021 noted that.
Normal Body Temperature Is Different For Everyone And Changes During The Day.