Question

how to use how to use a digital thermometer under your arm

Answer 1

By underarm:

If available, use a probe cover with your thermometer.

Put the end of the thermometer in the center of your child's armpit. ...

Bring your child's arm down, close to the side.

Hold the thermometer tightly in place until it beeps (may take up to 5 minutes). ...

Remove the thermometer and read it.