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Doctor insights on: At What Temp Do You Have A Fever

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Dr. Mark Diamond
2,228 doctors shared insights

Fever (Definition)

Fever is the temporary increase in the body's temperature in response to some disease or illness. A child has a fever when the temperature is at or above one of ...Read more


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Recurring low-grade fevers every month. I feel fine but noticed whild checking temp before ttc?

Recurring low-grade fevers every month. I feel fine but noticed whild checking temp before ttc?

Keep record: Low grade fevers can be caused by viral syndrome or metabolic conditions among others - the most important thing would be to keep a log of daily temperatures for at least a month and take to your doc. Subjective "fever" is not as reliable as actually recorded temperatures. ...Read more

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For how long does body temp need to be elevated to be considered a fever? What's the lowest temp considered to be a fever?

For how long does body temp need to be elevated to be considered a fever? What's the lowest temp considered to be a fever?

Oral, rectal or axil: 38 C or 100.4 F is usually the cutoff for "fever" Oral is the most common, but rectal temps are the most accurate. Just one measurement of 38 or higher, or 100.4 or higher is considered a fever. ...Read more

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99f (oral) considered as fever? My temp usually range from 98.2-98.7.

99f (oral) considered as fever? My temp usually range from 98.2-98.7.

No worries.: The body's normal temperature will fluctuate depending on the time of day, if you have recently eaten something hot or cold, and for many other reasons. A temperature of 99 is not something to worry about. ...Read more

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If my normal body temp is 96.9 average, would upper 98 degrees be considered a (low) fever temperature?

If my normal body temp is 96.9 average, would upper 98 degrees be considered a (low) fever temperature?

No: Doctors prefer to look at signs and symptoms instead of a number from a thermometer. We don't worry about a temperature in the 98 degree range in a normal person. ...Read more

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Ok i took my temp orally it said 100.7 then i took it again like 2 mins later it said 99.3 then i took it again 99.5 this is all with in 10 mins taking it now it saus 99.4 do i have a fever?

Ok i took my temp orally it said 100.7 then i took it again like 2 mins later it said 99.3 then i took it again 99.5 this is all with in 10 mins taking it now it saus 99.4 do i have a fever?

Yes: A one time reading about 100.4 is a fever - "pyrexia" or fever commonly goes up and down. With that being said, a one time temperature of 100.7 does not necessarily mean you are ill. ...Read more

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I have a temp of 100.8 , besides pills, what else can reduce my fever?

I have a temp of  100.8 , besides pills, what else can reduce my fever?

Leave it alone: For an otherwise healthy person fever is how your body fights a minor illness. That is how your immune system gets stronger to fight the infection. If you lower the fever with medication you slow down the healing process. As long as the fever is below 102-103 you may want to let it run its course. ...Read more

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What is the temp for a fever considered?

Temp over 100.4: Generally temp over 38 degrees centigrade or 100.4 farenheit are considered elevations. The other symptoms present detemine the severity of the illness. Under 2 mos of age this elevation requires immediate care.Over 105 requires immediate attention at any age. ...Read more

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I rarely get sick, and my temperature is always low. Would a normal temp be a fever in me?

I rarely get sick, and my temperature is always low. Would a normal temp be a fever in me?

Fever: Not necessarily. Depends upon the manner in which you are taking your temperature (oral, axillary, rectal, etc.) and the time of day. It is generally assumed that if your temperature exceeds 100 degrees that this is not normal. Some people may have lower body temps than others, sometimes due to metabolic conditions. ...Read more

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Is a temp of 99.5 in the afternoon considered a fever in adults?

Is a temp of  99.5 in the afternoon considered a fever in adults?

Fever Temperature: While any elevation in temperature above average is technically a fever, a fever is often not considered medically significant until at least 100.4 degrees. ...Read more