Irrigation solutions should be mildly warm so as not to cause local hypothermia that is detrimental to mitogenesis and phagocyte activity and should be of sufficient volume and force to dislodge and wash away germs and debris without causing damage to healthy tissue.

Why is irrigation solution usually warmed to body temperature?

Hypothermia is a frequent observation in elderly males undergoing transurethral resection of prostate (TURP) under spinal anesthesia. The use of irrigating fluids at room temperature results in a decrease body temperature. Warmed irrigating solutions have shown to reduce heat loss and the resultant shivering.

What is the appropriate temperature of the solution used to irrigate the ear?

The right temperature and amount of irrigation solution are critical to patient safety. The water should be between 98.6 and 104.9 degrees Fahrenheit to lessen dizziness and avoid a caloric response. Do not use more than 500 mL of fluid per ear. This decreases the possibility of edema, infection, and perforation.