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Q.

do you add a degree whentaking tempture under arm?

Related Topics: Arm
 

Answers From Experts & Organizations (1)

Primary Care
5,000 Answers
29,678 Helpful Votes
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A.

The average (normal) temperature under the arm (98.7 axillary) is about one degree less than the mouth (98.6) , and about two degrees less than the rectal temperature 99.6).  Keep in mind that these are just average temperatures, based on a poorly-controlled study using inaccurate thermometers done over a hundred years ago. We still adhere to it, even though we now know the average is slightly different.  Temperatures also vary by the time of day (lower in the morning; higher in the evening).

If you are transmitting information to a medical provider, you do not have to add or substract a degree. All you need to do is say, "The temperature was 99.8 under the arm." Let the medical provider make the adjustments.

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