Digital Thermometer MC-246

Normal temperature varies with the individual & also changes depending on the time through the day.

To find out one's normal temperature, therefore we recommend performing regular measurements under the following conditions:
- Measure with the same thermometer
- Measure at the same area
- Measure at the same time of day

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Yes! The most accurate optimal values derive from rectal measurement: 37.0-37.5 °C (98.6-99.5 °F), while oral measurement produces slightly lower results: 36.8° ± 0.4 °C (98.2° ± 0.7 °F). Measurements taken on the skin (armpit, ear, forehead) gives the lowest values out of these types: 36.5 °C (97.7 °F), since these correlate relatively poorly with the core body temperature.  

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Fever is a medical sign characterized by an increased body temperature above the normal range. Fever is not considered medically significant until body temperature is above 38°C.

Fever is caused by the release of certain chemicals by the immune system, usually as a result of an infection or inflammation. Not every fever needs medical attention, but in young children, if the temperature continues to rise or if there are other worrying symptoms, a doctor should be consulted.

It can be caused by a number of reasons: in most cases by infectious diseases (such as flu & pneumonia), less frequently by hormone imbalance, metabolic disorders, certain inflammatory conditions (such as rheumatoid arthritis) or even extreme sunburn or certain medications & immunizations (vaccines). 

Sometimes the cause of a fever can't be identified. If you have a temperature of 38.3 C or higher for more than three weeks & your doctor isn't able to find the cause after extensive evaluation, the diagnosis may be fever of unknown origin.

Fever is not by itself an illness but a defense mechanism. 

However, if it rises above 39.4 °C, some actions have to be taken to reduce it. It meant that the body is no longer able to control its inner temperature.

This can either be done by using antipyretics (medications against fever), or by taking a cooling bath. The way of treatment should be defined by a doctor, based on the underlying cause, the age & condition of the patient. Infectious diseases require anti-pathogenic drugs.

By all means, extra attention should be paid to increased water-intake, to compensate for dehydration.  

Young children with even low fever require special attention & immediate treatment aiming to reduce the body temperature (cooling bath or cold pack first, before turning to medications). 

If an infant younger than 4 months old has rectal temperature above 38 °C , immediately call your doctor or go to an emergency room, because it could be a sign of a potentially life-threatening infection.

The same action must be taken if any child has a fever above 40 °C.