What is the normal human body temperature?

Mar 16, 2022 Source: Cainiu Health
Dr. Shi Jizhou
Introduction
Normal Human Body Temperature: The three common methods for measuring body temperature are oral, axillary (underarm), and rectal. Under healthy conditions—such as normal diet and appropriate clothing—the normal oral temperature ranges from approximately 36.3°C to 37.2°C. Rectal temperature is typically slightly higher than oral temperature, generally ranging from 36.5°C to 37.7°C. Axillary temperature normally remains around 36.0°C to 37.0°C.

Due to the impact of the novel coronavirus, everyone has become highly sensitive to body temperature, and taking one’s temperature has become a routine daily practice. So, what is considered a normal human body temperature? Let’s explore this together.

What Is a Normal Human Body Temperature?

Common methods for measuring body temperature include oral (mouth), axillary (underarm), and rectal measurements. Under healthy conditions—such as normal diet and appropriate clothing—the typical oral temperature ranges from 36.3°C to 37.2°C. Rectal temperature tends to be slightly higher, generally ranging from 36.5°C to 37.7°C, while the normal axillary temperature typically falls between 36.0°C and 37.0°C.

However, it is important to note that “normal” body temperature is not a single fixed value, as baseline temperatures vary among individuals. Even at the same measured temperature, some people may feel perfectly well, while others may exhibit typical signs of fever. Moreover, criteria for defining fever differ depending on age and overall health status; thus, the so-called “normal” temperature range serves only as a general reference.

Fever is commonly classified into four categories based on axillary temperature: - Low-grade fever: axillary temperature above 37.3°C but below 38.0°C; - Moderate fever: axillary temperature between 38.0°C and 39.0°C; - High fever: axillary temperature between 39.0°C and 40.0°C; - Hyperpyrexia: axillary temperature exceeding 41.0°C.

The above outlines what constitutes a normal human body temperature. If you develop a fever, seek medical attention promptly to determine its underlying cause. Subsequently, follow your physician’s recommendations for appropriate treatment. We hope this information is helpful to you.

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