| Clinical feature | Predicted degree of dehydration | ||
| None (<5 percent) | Some dehydration (5-10 percent) | Severe dehydration (>10 percent) | |
| General appearance | Well, alert | Restless, irritable | Lethargic or unconscious |
| Eyes | Normal | Sunken | Sunken |
| Thirst | Drinks normally, not thirsty | Thirsty, drinks eagerly | Drinks poorly or unable to drink |
| Skin pinch | Goes back quickly | Goes back slowly | Goes back very slowly |
| Estimated fluid deficit | <50 mL/kg | 50-100 mL/kg | >100 mL/kg |
