There are two types of edema: localized edema and generalized edema. T
he causes of generalized edema in childhood are diverse, Formation of
generalized edema involves retention of sodium and water in the kidney
. The treatment of generalized edema depends on the primary etiology.
Supportive nutritional and medical therapies are needed to prevent fur
ther edema. These and related features of edema in childhood are discu
ssed in this review.