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Atopic Dermatitis

Breastfeeding & Eczema - Can Breast Milk Help Baby Eczema

Breastfeeding is full of nutrients for the baby

Published on 08/08/2018
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Breastfeeding & Eczema

Atopic Dermatitis (AD), also known as eczema, is a chronic inflammatory skin disease that affects up to 20% of kids and 3% of adults globally.[1] Many factors may contribute to the development of eczema, including genetics, immune system dysregulation, environmental factors, and abnormal skin barrier function.[2]  One question that frequently arises is “what causes eczema in babies?” and if there are any natural remedies or approaches that can reduce the risk for a baby to develop eczema. Researchers have studied whether ingestion of breast milk can impact the risk of developing baby eczema.

What Makes Human Breast Milk Unique?

Infants get vital nutrients from their mother’s breast milk for growth. Breast milk may also influence the development of a child’s immune system, which plays an important role in eczema. What a mother eats can actually change the composition of breast milk, which is an important consideration for infant nutrition.[3] Several research studies have examined whether breastfeeding may prevent the development of AD in offspring.[4,5]

Some Say Breast Milk Prevents Eczema

One study demonstrated that infants who were breastfed for the first four months of life had a lower risk of developing eczema than infants who were fed only cow milk formula.[6] Similarly, babies with a strong family history of eczema who were fed only breast milk for 4 months after birth had a 50% lower risk of developing eczema than babies were fed a cow-milk formula.[7] Another study showed that in mothers without allergic diseases, such as asthma, allergic rhinitis, and eczema, breast milk exposure for over 9 months was associated with lower risk for eczema, compared to breast milk exposure for 0-3 months.[8]

How Breast Milk Alters the Baby’s Microbiome

Breast milk contains a diverse population of beneficial bacteria that is transferred to the baby with breastfeeding. Researchers at the Children’s Hospital Los Angeles demonstrated that babies who were breastfed had a gut microbiome that closely resembled the mother’s breast milk, while babies who were not breastfed had much less diversity of microorganisms in their guts. This underscores the important role of breastfeeding in the development of the infant microbiome.[9] While many questions remain unanswered regarding the connection between the gut microbiome and eczema, it is thought that increased bacterial diversity tends to be a sign of a healthy gut. One way that breastfeeding may be protective against eczema, is that through increased gut microbiome diversity, the infant immune system may be influenced to prevent eczema.[10,11] The exact mechanisms for this phenomenon are still under investigation.

Others Say Breast Milk May Not Help

On the other hand, other researchers have shown that breast milk has no impact at all on whether the babies will develop eczema.[12,13] A few studies even reported an association between breastfeeding and increased risk for eczema.[14,15]

The Bottom Line

There is no clear answer on whether breast milk can help to prevent eczema. The ways that the studies were designed may have influenced the results and led to conflicting evidence. For instance, surveys studies completed by parents about feeding patterns may be inaccurate and unknown compounds in breast milk could also influence eczema risk.  Additionally, how often mothers breastfeed their babies and the duration of their breastfeeding sessions could further impact the results but may not have been accounted for in these studies. In other words, more research is still needed to determine whether breast milk is beneficial for eczema.


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