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. Author manuscript; available in PMC: 2018 Jan 22.
Published in final edited form as: BMJ. 2013 Dec 30;347:f7204. doi: 10.1136/bmj.f7204

Table 1.

World Health Organization guidelines for assessing dehydration in children with acute gastroenteritis40

A B C
Condition*
Well, alert Restless, irritable Lethargic or unconscious
Eyes
Normal Sunken Sunken
Thirst
Drinks normally, not thirsty Thirsty, drinks eagerly Drinks poorly, or not able to drink
Skin pinch
Skin goes back quickly Skin goes back slowly Skin goes back very slowly
Decision
No signs of dehydration Some dehydration if there are ≥2 signs in B Severe dehydration if there are ≥2 signs in C
*

Being lethargic and sleepy are not the same. A lethargic child is not simply asleep: the child’s mental state is dull and the child cannot be fully awakened; the child may appear to be drifting into unconsciousness.

In some infants and children the eyes normally appear somewhat sunken. It is helpful to ask the mother if the child’s eyes are normal or more sunken than usual.

The skin pinch is less useful in infants or children with marasmus or kwashiorkor, and in obese children.