How To

How to Use a Baby Thermometer

By eHow Health Editor
Rate: (10 Ratings)

There are two ways to take a baby's temperature: axillary, or under the arm, and rectal, or in the anus.

Difficulty: Easy
Instructions

Things You'll Need:

  • Digital Thermometers
  • Thermometers
  • Thermometers

    Axillary

  1. Step 1

    Use either a rectal or oral thermometer to take an axillary temperature.

  2. Step 2

    Shake down the thermometer until it reads below 95.9 degrees, if you're using the glass-mercury type, or turn on the thermometer, if you're using the digital type.

  3. Step 3

    Insert the thermometer into the armpit and hold down the baby's arm so that the end of the thermometer is completely surrounded by skin.

  4. Step 4

    Leave the thermometer in place for 2 to 3 minutes if using the glass-mercury type. For the digital type, wait until the thermometer signals that the process is complete.

  5. Step 5

    Read the thermometer where the line of mercury ends or, if using a digital thermometer, read the display.

  6. Rectal

  7. Step 1

    Use a rectal thermometer. Never use an oral thermometer to take a rectal temperature.

  8. Step 2

    Shake down the thermometer until it reads below 95.9 degrees, if you're using the glass-mercury type, or turn on the thermometer if you're using the digital type.

  9. Step 3

    Coat the end of the thermometer with petroleum jelly or another lubricant.

  10. Step 4

    Insert it about 1 inch into the anus, or until the probe is completely covered.

  11. Step 5

    Hold for 2 to 3 minutes or, if using a digital thermometer, wait until it signals that it is done. Try to keep the baby still.

  12. Step 6

    Read the thermometer where the line of mercury ends or, if using a digital thermometer, read the display.

Tips & Warnings
  • Clean a glass-mercury thermometer with soap and water, and sterilize it by soaking it in alcohol.
  • Clean a digital thermometer by following the manufacturer's instructions.
  • For babies 6 months and younger, use the axillary method unless the doctor instructs otherwise. Putting a thermometer in the rectum may cause injury.

Comments  

RFerriANP said

Flag This Comment

on 5/21/2008 The American Academy of Pediatrics (AAP) has been warning against the use of mercury containing thermometers for many years. The AAP position is that all pediatricians refrain from use of mercury thermometers (and other devices) due to potential toxicity and harm the child, the environment, and public health in general. In fact, many states have "banned" the sale and use of mercury containing devices because of their potential harm.

Additionally Health Care Without Harm (http://www.noharm.org/) has been advocating making hospitals and communities safer from toxic medical waste which has grown by hundreds of tons of waste annually. HCWH has a lot of information about what you can do to protect your child's health and the environment from toxic substances like mercury.

AAP and HCWH strongly warn against the use of these thermometers!

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