![]() ![]() For higher accuracy, many doctors recommend adding 1 degree F to the reading. However, if your child refuses to allow you to insert a thermometer anywhere else, using a mercury thermometer under the arm for 4-5 minutes can provide you with reasonably accurate results. Temperature readings taken in the armpit are the least accurate.Con: Reading may be thrown off if your child doesn't keep the thermometer under their tongue until it beeps.Īxillary temperature readings: Adequate accuracy.Pro: Easier to use in kids over age 4 and doesn’t require removing clothing.In children over 3, using an oral thermometer can also provide fairly accurate temperature readings, as long as the child keeps their mouth closed for 2-3 minutes and refrains from drinking hot or cold liquids 15-20 minutes before the thermometer is inserted.Con: May be uncomfortable for older children.Pro: Best choice for kids up to 3 years of age or whenever an exact reading is critical.With two fingers, hold the thermometer loosely in place until it beeps. Place your baby on their stomach on your lap, a bed or a changing table and gently insert the bulb half to one inch into your child's rectum. To use, dab petroleum jelly on the thermometer's bulb.Many doctors recommend using a rectal thermometer for children aged 3 and younger because it gives the most accurate readings.What are the pros and cons of different thermometers? Rectal temperature readings: High accuracy Thermometers that are dedicated to specific uses make sure to note these differences, allowing the user to obtain the most accurate readings.The temperature indicator in an oral thermometer should be about 98.6°.The temperature indicator in a rectal thermometer should be about 99.6°.Rectal and oral thermometers have different lines or indicators showing normal temperature, and usually differ by 1 degree:.This color difference helps prevent a rectal thermometer from being mistaken for an oral thermometer, preventing the spread of fecal bacteria into the mouth.Rectal thermometers are red, whereas oral thermometers are blue. ![]() Exposing a larger surface area aids in obtaining an accurate temperature more quickly. Oral thermometers have longer, thinner tips as a long and slender bulb exposes as much mercury surface area as possible.Since rectal tissues are fragile and easily ripped, rectal thermometers have a short, blunt, slightly rounded tip that reduces the risk of a rectal puncture or tear.But which type of thermometer is best?ĭifferences between rectal thermometers and oral thermometers are in the bulb shape, color coding, and temperature indicators: Bulb shape Keeping a working thermometer in your home is recommended for a quick fever diagnosis. Temperature readings vary depending on the type of thermometer used, and it’s important to get accurate temperature to determine whether a fever is present. Learn about the pros and cons of rectal vs. Temperature readings vary depending on the type of thermometer used.
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