Cow’s Milk Increases Risk of Infant Allergies

breastfeeding reduces allergies better without milk

Breastfeeding reduces allergies better without milk

Researchers have determined that drinking pasteurized, homogenized cow’s milk while breastfeeding significantly increases the chances of the infant becoming allergic.

Research follows mothers and their infants

Medical researchers from Bangkok’s Mahidol University tested and followed 62 mothers and their infants through four months of age.

Each of the mothers had some form of allergy. The researchers randomly split the mothers into two groups. One group withdrew from drinking cow’s milk during breastfeeding and the other did not. Both groups exclusively breastfed their infants through four months of age.

The researchers tested the infants for allergies at seven days old, one month old and four months of age. By the age of four months, 8 of the babies from milk drinking mothers had skin allergies while only two of the infants from mothers who withheld milk had skin allergies by four months of age.

Skin allergies and cow’s milk

In other words, the risk of having skin allergies may quadruple if the mother drinks pasteurized, homogenized cow’s milk during breastfeeding. The caveat of course is that the population of mothers were all allergic.

But for mothers who are not allergic, there is still an increased risk of allergies among their children. This has been shown in earlier studies.

Other studies confirm findings

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For example, a study of Memorial University of Newfoundland investigated 97 healthy mothers who breastfed their babies and 124 mothers who did not. Of the breastfed mothers, 49 had a restricted diet which excluded milk and other dairy products, as well as eggs, fish, soybeans and peanuts during their breastfeeding. The rest of the breastfeeding mothers did not have a restricted diet.

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After 18 months the researchers tested the infants and found that 21 of the 48 infants of mothers who did not eat a restricted diet suffered from eczema while only 11 of 49 infants from the diet-restricted mothers suffered from eczema.

It should also be noted that the breastfed infants overall had a lower risk of eczema.

We can thus conclude this higher risk, not just from these two studies but from others that have illustrated the increased allergy risk offered by cow’s milk during pregnancy.


Jirapinyo P, Densupsoontorn N, Kangwanpornsiri C, Limlikhit T. Lower prevalence of atopic dermatitis in breast-fed infants whose allergic mothers restrict dairy products. J Med Assoc Thai. 2013 Feb;96(2):192-5.

Chandra RK, Puri S, Hamed A. Influence of maternal diet during lactation and use of formula feeds on development of atopic eczema in high risk infants. BMJ. 1989 Jul 22;299(6693):228-30.

Adams C. Natural Solutions for Food Allergies and Food Intolerances: Scientifically Proven Remedies for Food Sensitivities. Logical Books, 2012.

Case Adams is a California Naturopath with a PhD in Natural Health Sciences, and Board Certified Alternative Medicine Practitioner. He has authored 26 books on natural healing strategies. “My journey into writing about alternative medicine began about 9:30 one evening after I finished with a patient at the clinic I practiced at over a decade ago. I had just spent the last two hours explaining how diet, sleep and other lifestyle choices create health problems and how changes in these, along with certain herbal medicines and other natural strategies can radically yet safely turn our health around. As I drove home that night, I realized this knowledge should be available to more people. So I began writing about health with a mission to reach those who desperately need this information. The strategies in my books and articles are backed by scientific evidence along with wisdom handed down through traditional medicines for thousands of years.” Case connects with nature by surfing, hiking, running, biking and according to Dad, being a total beach bum.

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