| Source | Increased water needs | Decreased water needs |
| Skin | Burns Fever Phototherapy Prematurity Radiant heater Sweat |
Enclosed incubator Mist tent |
| Lungs | Tachypnea Tracheostomy |
Humidified air |
| Gastrointestinal tract | Diarrhea Emesis Ileostomy Nasogastric suction |
|
| Renal | Polyuria | Oliguria/anuria |
| Miscellaneous | Surgical drain Increased activity |
Sedation Hypothyroidism |
