What forehead temperature is a fever?

Rectal, Forehead or Ear temperature: 100.4 F° (38.0° C) or higher.
Oral (Mouth) temperature: 100° F (37.8° C) or higher.
Under the arm (Armpit) temperature: 99° F (37.2° C) or higher.
Caution: Ear temperatures are not accurate before 6 months of age.

Updated: 25th November 2019

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