Cow's Milk Protein Allergy Symptoms

The signs and symptoms linked with CMPA are incredibly diverse, ranging from colic and reflux to constipation, diarrhea and crying. This can make diagnosis a real challenge.

What’s more, every case of CMPA is unique, so it helps to be aware of all the different symptoms you should be looking out for.

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CMPA
symptoms
at a glance

CMPA

presents itself with multiple and diverse symptoms.

92%

of infants and young children with CMPA have 2 or more symptoms.

<6mo

CMPA is often diagnosed in babies before they are 6 months old.


Steps to identify the common symptoms of CMPA

Step 1

Signs and symptoms

Most babies with CMPA experience similar symptoms, namely digestive problems (such as diarrhea, vomiting, constipation and reflux), skin problems (such as hives an eczema), and respiratory symptoms (such as persistent cough and wheezing). Other more general allergy symptoms such as tiredness and disrupted sleep patterns can also occur.

...

RESPIRATORY SYSTEM

Up to 30% of affected
infants have respiratory
symptoms.

...

GENERAL SYMPTOMS

Inconsolable crying is very common in infants with CMPA, while anaphylaxis is very rare.

...

ANAPHYLAXIC
SHOCK

Anaphylactic shock is a severe, immediate, allergic reaction, which can affect many organ/systems

Anaphylaxis

With such a wide range of symptoms, recognizing CMPA can be a challenge. It is particularly difficult when symptoms are similar to things you expect from your baby, such as crying, or when they overlap with other common problems such as disrupted sleep and runny noses.

The two types of CMPA and how it
relates to symptoms

Rapid onset

IgE-mediated symptoms of CMPA can occur within minutes of digesting cow’s milk protein and usually lead to a rash (hives), swelling of the lips and eyelids (urticaria), vomiting and wheezing.

Delayed response

Symptoms of non-IgE-mediated CMPA occur a few hours or even days after the digestion of cow’s milk protein, and often lead to gut and skin-related symptoms.

Step 2

What to do next?

We’ve developed some helpful tools that can help in the diagnosis of MCPA and getting prepared for a potential visit with a doctor.

With advice from your doctor, you will be able to feed your baby and see them grow and develop like any child.

CMPA's diagnostic path.

GET PREPARED
FOR DIAGNOSIS

Feel prepared in advance of any visits with a doctor by improving your understanding of the diagnosis pathway.

How diagnosis works Arrow

Hear from
families just like
yours

We understand that you may be worried, but there are solutions for every baby with CMPA and we are here to provide help and support on your journey. Discover the experiences that other parents have had with CMPA in our video series.

01 Adriana and Andre,
London, UK

Adriana tells the story of her baby, André, who presented cow's milk allergy symptoms while she was breastfeeding him. She continued to breastfeed her baby while excluding milk from her diet.

02 Wandrille + Clemence
France.

Meet baby Wandrille, who was diagnosed at 3 months old CMPA after suffering from reflux.

03 Robin + Katrien
Belgium.

Meet Robin, who began showing signs of CMPA at just 1 month old.