The easiest way to measure your child’s temperature is with a digital thermometer. These are available at most pharmacies. There are other types of thermometers, including the mercury-in-glass type, ear thermometers, and pacifier type thermometers.
Most glass thermometers contain mercury, which is toxic.
DO NOT USE A GLASS THERMOMETER WHICH CONTAINS MERCURY!
There are 4 places to take a child’s temperature
- in the mouth
- in the rectum
- under the armpit
- in the ear
Do not use a rectal thermometer in the mouth or an oral thermometer in the rectum. Always wash any thermometer with soap and warm water before and after use.
The best way to take a temperature according to the age of your child:
Newborns to 2 years
The most accurate way to take a baby’s temperature is with a thermometer inserted into the anus (rectal temperature). If this is not possible, you may insert it under the arm
Children aged 2 to 5
For toddlers aged 2 to 5, a rectal temperature is the most accurate but may be difficult. Ear temperature or armpit method can also be used.
Children over 5 Years of Age
For children over 5, take a temperature by the mouth. Ear or under the arm can also be used depending on what the easiest will be for the person doing it.
Taking a Temperature Orally
Taking a temperature in the mouth works with children who are old enough to hold the thermometer under their tongue and who will not bite the thermometer. Make sure your child has not had a cold or hot drink in the 30 minutes before taking their temperature.
• Fever is an oral temperature of 37.8°C or more.
Taking a Rectal Temperature
Using the rectal method works best on babies and young children. Older children may resist having something put in their bum.
• A rectal temperature of 38°C or higher means a fever
To take a temperature in the armpit, your child must be able to hold his or her arm to the body and not move it for about 4 or 5 minutes.
• Fever is an armpit temperature of 37.2°C or more.
Ear Method using a Tympanic Thermometer
Tympanic thermometers are NOT recommended for children under one year of age. These thermometers use infrared to take the temperature in your child’s eardrum. Always clean the thermometer tip before using and follow the manufacturer’s instructions carefully.
• An ear temperature of 37.5°C or higher means a fever