The development of allergy is a very complex issue that involves both genes and environmental influences. Science is still trying to discover the mechanisms for the development of allergy.
One of the discovery from medical studies is that the use of hydrolyzed formula can help prevent allergy. It is important to chose the formula with proven medical evidence. By referring to the GINI study, the use of partially hydrolyzed formula Nan HA can prevent eczema if exclusive breast feeding cannot be done. The extensively hydrolyzed casein formula Nutramigen also has data showing that it can prevent eczema; but this special formula is primarily used for instances of cow milk allergy.
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