At first, newborns who are given formula may not be able to digest
all of the milk sugar (lactose) in the formula they drink. The undigested
lactose moves to the large intestine and causes cramps, bloating, or gas. As
the baby grows, he or she is better able to digest the lactose, and the
Babies who are only fed breast milk do not have milk sugar
intolerance, because breast milk contains
lactase, an enzyme that helps digest lactose.
Milk sugar intolerance is similar to
lactose intolerance in older children and adults. But it is temporary and does not mean that the baby will be lactose-intolerant as
Dietary supplements or lactase products for lactose intolerance
(such as Lactaid) should not be given to babies.
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This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
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WebMD Medical Reference from Healthwise
March 12, 2014
This information is not intended to replace the advice of a doctor.
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