Fever in Adults - Infections - MSD Manual Consumer Version - adult fever temperatures

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Fever in adults - Harvard Health adult fever temperatures


Rectal, ear or temporal artery temperature of 100.4 (38 C) or higher Adults with fevers of 103 F (39.4 C) or higher will generally look and act.

For an adult, a fever may be uncomfortable, but usually isn't a cause Adults. Call your doctor if your temperature is 103 F (39.4 C) or higher.

The normal body temperature for an adult is around 98.6°F (37°C), but every person's baseline body temperature is slightly different, and may.