Hold the thermometer still for 2 minutes. Never let go of the thermometer. If you're taking your child's temperature orally, place the end of the thermometer under the tongue and leave it there for 2 minutes. Don't let your child bite on the thermometer. After you're done using the thermometer, wash it in cool, soapy water.
Fevers are a sign that the body is fighting an infection.
The main reason to treat your child is to make him or her feel better. When your child is achy and fussy, you may want to give him or her some medicine. How much acetaminophen your child may need depends on his or her weight and age, as shown in the chart below. When the age and weight don't match, use the weight as the main guide. The doses in the chart may be a little higher than what's on the medicine package.