Can cow's milk allergy cause eczema in babies?

Eczema and cow's milk allergy often occur together, and in some babies a cow's milk protein allergy can worsen eczema. However, many babies with eczema do not have a food allergy at all. Because the two are linked but not the same, it is important to get guidance from your GP or Plunket nurse rather than assuming dairy is the cause.

Should I stop eating dairy if I'm breastfeeding and my baby has eczema?

Not without professional guidance. Removing dairy from your diet while breastfeeding can affect nutrition and may not help your baby's skin. Speak to your GP or Plunket nurse before eliminating any food group, and keep a simple symptom diary to share with them.

What are the signs of cow's milk allergy in a baby?

Signs can include worsening eczema, hives, reflux, vomiting, unsettled feeding and changes in nappies. Because these overlap with common baby symptoms, they are hard to interpret alone, so they are best assessed by a health professional.

How do I care for my baby's skin while I work out the cause?

Keep up gentle skincare, moisturise well, and reduce scratching, especially at night, with soft, breathable clothing or scratch sleeves. Protecting the skin barrier helps regardless of what is ultimately driving the eczema.

Do eczema scratch sleeves actually work?

For babies and children with eczema, the biggest overnight problem isn't the itch itself — it's what happens when tiny fingernails meet irritated skin. Scratching breaks the skin barrier, causes bleeding, and opens the door to infection, which then worsens the eczema. What the Bamboo Bubby Eczema Mitten Sleeves do is physically interrupt that cycle. The fold-over mitten cuffs cover the hands and fingers so scratching can't cause damage, while the full arm-to-shoulder coverage means there's no exposed skin to reach. Many families find that even one or two nights of protected sleep gives the skin a chance to start settling. Results will vary depending on the severity of your child's eczema and their overall skin care routine — but for most families, these are used every single night.

Are these suitable for dermatitis as well as eczema?

Yes. While the Bamboo Bubby range is most often sought out by families managing eczema, the sleeves work equally well for contact dermatitis, dry skin conditions, and any situation where scratching is making skin worse. The 68% bamboo viscose, 32% organic cotton sleeve body with fully silk mitten cuffs is hypoallergenic and free from the synthetic fibres and rough textures that commonly aggravate reactive skin. If your child's dermatitis is triggered or worsened by scratching, these sleeves offer the same physical protection regardless of the diagnosis.

Can my child wear these during the day, not just at night?

That's exactly what the open/close fold-back design is for. During play and activities, the silk mitten cuffs fold back completely so little hands are free to explore, grip, and move naturally. When scratching becomes a risk — at nap time, during a flare, in the car, or at bedtime — the cuffs fold forward and stay in place, wrapping the entire hand in soft silk. Many families find them particularly useful during the day when they can't watch their child's hands every moment. One garment, all day, no taking them on and off.

What size should I buy, and how long will they last?

The Bamboo Bubby Eczema Mitten Sleeves are available from Newborn through to 6 years, across five size options: NB–6MTH, 6–12MTH, 1–2YR, 3–4YR, and 5–6YR. Because eczema often improves as children get older and develop more self-control, many families find they work through two or three sizes before their child no longer needs them at night. We recommend buying a set of two so you always have one clean and ready — particularly useful during flare periods when you may be washing more frequently.

What's the difference between these and standard scratch mittens?

Standard scratch mittens cover only the hands — and they're notorious for coming off during sleep. The Bamboo Bubby Eczema Mitten Sleeves cover the full arm from wrist to shoulder, which means there's no exposed forearm, elbow, or upper arm skin for little fingers to reach during the night. The fold-back open/close design also means they're secure enough to stay in place through active sleep and movement, unlike loose-fitting mittens that slip off at the first sign of wriggling. When closed, the entire mitten section is 100% silk — considerably softer and gentler against reactive skin than the cotton or polyester used in most standard mittens. So even if your child rubs against them, there's no additional irritation to inflamed skin.

Baby Eczema and Cow's Milk Allergy: What New Zealand Parents Should Know

By Kelly Northey, Certified Postpartum Nutrition Professional

Founder of Nella Vosk • 14+ years supporting families across motherhood, feeding, and early childhood wellbeing

Editorial Policy →

Baby Eczema and Cow's Milk Allergy: What New Zealand Parents Should Know

The Pattern You Can't Unsee

This article is part of the Nella Vosk Baby Eczema resource for New Zealand families, our gentle, practical guide to caring for sensitive, eczema-prone skin at every stage.

Somewhere along the way, someone mentioned dairy. A Plunket nurse, a friend, a comment in a Facebook group. And now you are wondering: could cow's milk be behind your baby's eczema? Are you eating something, or feeding something, that is making the skin worse?

It is a fair question, and a common one. This is a plain-language guide to what the connection between baby eczema and cow's milk allergy actually is, written to help you think it through calmly, not to send you into an elimination panic. One important note up front: this is general information, not medical advice, and anything to do with allergy is worth talking through with your GP or Plunket nurse.

The link between eczema and cow's milk allergy

Eczema and food allergy often travel together, especially in babies. Having eczema-prone skin can be associated with a higher chance of food allergies, and cow's milk protein is one of the most common early food allergens in babies. But, and this matters, the two are not the same thing, and eczema is very often not caused by food at all.

In other words: some babies with eczema do have a cow's milk allergy, and treating the allergy helps their skin. Many babies with eczema do not, and cutting out dairy makes no difference while adding a lot of stress. That is exactly why guessing is not the answer, and why proper guidance matters.

What cow's milk allergy can look like

Cow's milk protein allergy can show up in a few ways, sometimes alongside eczema:

Skin: worsening eczema, hives, or redness.
Tummy: reflux, vomiting, unsettled feeding, changes in nappies.
Rarely, more serious immediate reactions, which need urgent medical care.

Because these signs overlap with lots of ordinary baby things, they are genuinely hard to read on your own. This is not a failing on your part. It is a reason to get a professional set of eyes on it.

What to do (and what not to do yet)

Do talk to your GP or Plunket nurse before removing any food group, especially if you are breastfeeding or your baby is on formula. Cutting out dairy without guidance can affect nutrition for both of you.
Do keep a simple diary of feeds, skin, and symptoms. Patterns you notice are useful information to bring to an appointment.
Do keep protecting the skin in the meantime, with gentle skincare and by reducing scratching, whatever the underlying cause turns out to be.
Do not start a strict elimination diet on a hunch. It is stressful, it is easy to get wrong, and it can delay finding what is really going on.

Caring for the skin while you work it out

Whether or not cow's milk turns out to be part of the picture, your baby's skin needs comfort right now. Reducing scratching, especially overnight, protects the skin barrier while you and your GP or Plunket nurse work out the cause. This is where soft, breathable clothing and scratch sleeves help: not by changing anything about diet or allergy, but by giving irritated skin a gentler night and less damage to heal from.

Kelly created Bamboo Bubby after 16 years of caring for her own child's eczema-prone skin. The bamboo fabric is soft against irritation, and the scratch-sleeve design is made to help break the itch-scratch cycle during sleep, so the skin gets a rest while the bigger questions are being answered.

A note on the wider picture: at Nella Vosk we think about the whole family system, because a settled baby and a supported parent are connected. If you are breastfeeding and navigating this, be gentle with yourself too. You are doing the careful, loving work of getting to the bottom of it.

Made for New Zealand families. Our Bamboo Bubby eczema mitten sleeves and sleepwear ship right across New Zealand, usually within 3 to 7 business days, with prices shown in NZD at checkout.

Explore the Bamboo Bubby eczema mitten sleeves, or browse the full Bamboo Bubby range for New Zealand.

Explore Bamboo Bubby Range

Discover our trusted Bamboo Bubby range of eczema sleepwear for kids, specially designed to soothe sensitive skin and reduce overnight scratching. Now part of the Nella Vosk family, these garments are made from super-soft bamboo and organic cotton—naturally breathable, hypoallergenic, and gentle for little ones with eczema or dermatitis.

From our bestselling eczema pajamas for toddlers to eczema clothing for babies and older children, every piece is thoughtfully designed to help break the itch-scratch cycle and support better sleep. Adjustable scratch mitten sleeves, enclosed feet, and seamless comfort are all part of what makes Bamboo Bubby Australia’s original solution for eczema relief clothing.

This collection also includes products that support baby-led weaning, making it easy to find helpful products to support throughout baby and toddlerhood—naturally.

✨ Shop Bamboo Bubby – eczema-friendly sleepwear for babies & toddlers – now exclusively at Nella Vosk.

Frequently Asked Questions

: Eczema and cow's milk allergy often occur together, and in some babies a cow's milk protein allergy can worsen eczema. However, many babies with eczema do not have a food allergy at all.

Because the two are linked but not the same, it is important to get guidance from your GP or Plunket nurse rather than assuming dairy is the cause.
: Not without professional guidance. Removing dairy from your diet while breastfeeding can affect nutrition and may not help your baby's skin.

Speak to your GP or Plunket nurse before eliminating any food group, and keep a simple symptom diary to share with them.
: Signs can include worsening eczema, hives, reflux, vomiting, unsettled feeding and changes in nappies. Because these overlap with common baby symptoms, they are hard to interpret alone, so they are best assessed by a health professional.
: Keep up gentle skincare, moisturise well, and reduce scratching, especially at night, with soft, breathable clothing or scratch sleeves. Protecting the skin barrier helps regardless of what is ultimately driving the eczema.

Bamboo Bubby Eczema Mitten Sleeve - Grey Marle

Eczema Mitten Sleeve ScratchMeNot Flip Mitten Sleeve

Bamboo Bubby by Nella Vosk — Eczema Mitten Sleeves | Scratch Sleeves for Babies & Kids

Bamboo Bubby by Nella Vosk — Eczema Mitten Sleeves | Scratch Sleeves for Babies & Kids

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$48.00

The scratch sleeve that stays on — even through the worst flare nights.

Most scratch mittens solve half the problem. They cover little hands, but they come off, they overheat, and they leave arms exposed. The Bamboo Bubby Eczema Mitten Sleeves cover the full arm from wrist to shoulder — with a fold-back open/close design that converts from play mode to sleep mode in seconds, and a secure fit that stays in place through the night.

Built from a 68% bamboo viscose blend with 100% silk mitten cuffs — breathable, hypoallergenic, and gentle enough that even active rubbing against skin causes no further irritation. For babies and children with eczema, that combination of coverage, softness, and secure fit is what makes the difference between a restful night and another morning of raw, scratched skin.

"Saved my kid from waking up in a bloody mess every night from scratching his eczema patches. Started wearing these when he was a few months old and will probably continue wearing them, sizing up every year, until he can control his scratching on his own." — Michelle T., verified customer

Why the open/close design matters

Eczema doesn't only happen at night. The fold-back design means the sleeves stay on all day — open during play so little hands can explore freely, folded closed for naps, bedtime, or any moment when scratching is a risk. No taking them on and off. No lost mittens. One garment that works around your child's whole day.

What's inside

68% bamboo viscose, 32% organic cotton body
100% silk mitten cuffs — the softest possible contact with reactive skin
Open/close fold-back design — converts between play and protection
Secure fit — stays on through sleep and active movement
Sizes: Newborn through to 6 years
Machine washable

Pair with

Our Bamboo Bubby Baby Sleeping Bag with Scratch Sleeves for complete overnight coverage — or explore the full Bamboo Bubby eczema sleepwear range for daytime and nighttime skin protection options.

About Bamboo Bubby by Nella Vosk

Part of the Bamboo Bubby by Nella Vosk eczema range — trusted by Australian families for over 16 years. Explore our full bamboo clothing for eczema and eczema sleepwear ranges for complete skin protection.

Color

Size

NB-6MTH

6-12MTH

1-2YR

3-4YR

5-6YR

Qty

ABOUT THE AUTHOR

Kelly Northey is the founder of Nella Vosk and the creator of Bamboo Bubby. She is a Certified Postpartum Nutrition Professional (CPPNP) who spent more than 16 years learning what actually makes a difference for babies with eczema-prone skin, starting with her own child. She writes for parents who have tried a lot, and are tired.

Kelly x

More About Kelly Northey