Oral Use

• Place the thermometer in the mouth under the tongue so that it rests to the left or right of the root of the tongue.
• Use downward tongue pressure to hold the thermometer in place.
• Hold the thermometer to keep it from sliding around in the mouth.

Underarm Use

• Place the probe tip in the center of the armpit.
• Lock the probe tip under the arm, using the arm to slightly apply pressure inwards.
• Thermometer angle - The angle should be 35-45 degrees in relation to the arm.

Rectal Use

• Commonly used for young children when it is difficult to take an oral or underarm temperature.
• Lubricate with a water-soluble gel. Do not use petroleum jelly.
• Gently insert the probe tip no more than 1.3 cm. Do not force the tip in if resistance is encountered.
• Disinfect the thermometer after use.

Normal body temperature is in the range of 36.5–37.5 °C on the average, although it varies somewhat among individuals (gender, age).

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

Yes! The most accurate optimal values derive from rectal measurement: 37.0-37.5 °C.

It 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.

It can be caused by a number of reasons: in most cases by infectious diseases (such as flu and pneumonia).

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.