Fluid Balance in a Healthy Adult

Fluid Balance in a Healthy Adult

Daily fluid loss and gain in a healthy adult differs depending on factors such as the person’s size, fluid intake, environment and exercise.

As a general rule a normal healthy adult will:

Lose Fluid through his or her:

Lungs (through vapour) 400 mls
Kidneys (urine) 1500 mls
Skin (Sweat) 400 mls
Intestines (feaces) 200 mls
Total 2500 mls

Gain Fluid through his or her:

Ingestion of fluid 1000mls
Food 200mls
Metoblism 2000mls
Total 2500mls