You got up this morning not feeling well, not completely fit. You want to leave for work and decide to check your temperature one more time. No fever? That is a big relief. Probably just a simple cold. Still! Your little one had a fever yesterday, so you decide to take your thermometer to work. Your pediatrician just informed you that morning temperature is not the same as in the afternoon or evening, so you decide to pay attention how this will develop during the day. In the course of the afternoon, you start to feel different, even perspiring a bit. At the end of the afternoon you take out your thermometer and check again. Fever!
Doctors and scientists have discovered that our core body temperature is not a static number. It varies during the day. That means that if you measure your body temperature in the early morning your temperature is lower than in the evening. They call that the Circadian Cycle. The difference in temperature can be a big as 0,9 oC. That may not sound like much, but it could be the difference between being okay and having a flu. Or worse.
Well, you are happy you brought your own temporal artery thermometer. Now that you found out that you have a fever you definitively need to go home. Better safe than sorry.
You are happy that you started measuring your temperature at least twice a day – in the morning at 7 AM and around 6 PM in the evening. That way you now know exactly by how much your temperature rises during the day. For example, your temperature rose 0,6 oC, from 36,1 oC or 36,7 oC in late afternoon yesterday when you were feeling perfectly fine. But today you perspire and do not feel well. So now now know you have to compensate for 0,6 oC because of your Circadian Cycle. So, if at 6 PM you measure 38,7 oC that probably means you do not have a fever but just a raised temperature.
Click here to learn more about our thermometer
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