Abstract
We compared axillary and rectal temperatures in 216 patients to assess the reliability of axillary temperature for determining fever in children under 14 years of age. Beyond the neonatal period, the mean rectal temperature was significantly higher than the axillary temperature. The sensitivity of axillary temperature in detecting fever was 87.5% among neonates but only 46% among older children. Axillary temperature correlated well with rectal temperature in neonates but not older children. There was no direct mathematical relationship between axillary and rectal temperature. Axillary temperature should be taken in neonates as it is less hazardous; rectal temperature should be used beyond this age.
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