Squeeza liberal portion of lubricant on tissue. Dip thermoter probe end into lubricant, covering 2.5 to 3.5cm for adult.
With nondominant hand, separate client buttocks to expose anus. Ask client to breathe slowly and relax.
Gently insert thermometer into anus in direction of umbilicus3.5cm for adult. Do not force thermometer.
When positioned, hold thermometer probe in place until audible sign indicaters completion and client temperature appears on digital; remove ther-momenter probe from anus.