Helpful, trusted answers from doctors: Dr. Russo on adult rectal temperature taking methods: The accepted "normal" body temperature is 98.6 degrees, but it varies from person to person, and varies throughout the day, going up and down almost a full degree at different times of day. Oral temperature is usually 0.4 degree lower than rectal temperature, so a typical oral temperature would be 98.0.
Nov 27, 2018 · The normal body temperature for an adult is around 98.6°F If an infant of 3 months or younger has a rectal temperature of 100.4°F or above, seek emergency medical attention. In very young Author: Rachel Nall.
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Fever may be an indicator of illness. The three best ways to measure body temperature are rectally, orally, or with a tympanic thermometer (ear). In infants under 3 months old, only take a rectal temperature. For older kids, oral temperatures are fine as long as the child can hold the thermometer under his tongue.
Jul 27, 2017 · In grown adults, a normal temperature can range from 97.8°F to 99°F, or between 36.5°C and 37.2°C. As long as the results of a thermometer fall within this range, it can be determined that a person's body temperature is normal. Fevers. When an adult's body temperature is above the normal range, he or she is considered to have a fever.