Oral vs rectal temperature
Our body temperature normally fluctuates and you may get a difference of a full degree or more in just a few minutes or in the case of ear thermometers, between the left and right ears. Related Information Top of Page. Safe use of acetaminophen. Left TM, which yielded results nearly identical to right TM, was excluded from these and subsequent analyses. Mayo Clinic Marketplace Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Even the often cited gold standard rectal temperature of To learn more, visit Healthwise.
The reason people are confused is websites like this. Mayo Clinic does not endorse companies or products. Rectal versus axillary temperatures: A convenience sample of consecutively adult ED patients had oral, TM, and rectal temperatures performed within several minutes of each other. Bland—Altman plot of oral and rectal temperatures. It is accomplished by inserting the tip of a thermometer, usually lubricated with either petroleum jelly Vaseline or more recently water-based lubricants such as K-Y Jelly to eliminate friction and aid in insertion passed the tightly retentive sphincter of the anus, about 1—2 inches into the anus.
Temperature Measurement for Patients with Fever
The thermometers should only be used with a protective sheath, and the sheaths should be discarded after each use. If you're in doubt about an armpit temperature reading, use another method to confirm the results. Discordance was defined as any patient with an oral or tympanic temperature of 38 degrees C or less but manifesting a rectal temperature greater than 38 degrees C and 0. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Here are some tips on using the various thermometers: Is there a significant difference in infants less than 1 year of age? Providers Find a provider by specialty, location, or availability.
Is the temporal artery thermometer a reliable instrument for detecting fever in children? Likelihood ratios with confidence: Patients and many caregivers generally accept that the normal body temperature is Thus, it is often used sparingly and primarily on infants, children or adults for whom taking an oral temperature would risk injury e. Free E-newsletter Subscribe to Housecall Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Purchase access Subscribe now. Here's a list of the various methods for taking your child's temp and the pros and cons of each: