Cow’s milk allergy symptoms in babies

If your baby’s allergic to cow’s milk, they’re likely to have a reaction to formula which is made from cows’ milk. Sometimes, but very rarely, your baby may react to your breast milk if you’ve recently consumed dairy products.

Symptoms to look out for include:

A red itchy rash (cow’s milk allergies and rashes on babies are very common).
Swelling of the lips, face and around the eyes.
Tummy ache.
Vomiting.
Colic.
Diarrhoea or constipation.
Hay fever-like symptoms ( such as a runny, blocked nose).
Eczema.
You should consult your health visitor or doctor if your baby is affected in two separate areas of the body – for example, the stomach (vomiting) and skin (hives), and if they have more than one of the symptoms listed above.

Recognising the signs of milk allergy and intolerance in babies
Milk allergy or milk intolerance?
Babies can either be allergic or intolerant to milk. Because some of the symptoms are similar, it can be difficult to diagnose. Not to mention confusing!

A milk allergy involves an immune reaction to one or more of the proteins present in milk, whereas an intolerance does not involve the immune system.

An intolerance is caused by an inability to deal with certain substances in milk, such as lactose. Lactose intolerance occurs when you don’t produce any or enough of the enzyme lactase, which breaks down lactose. Undigested lactose causes uncomfortable symptoms like diarrhoea, bloating and wind.

https://www.aptaclub.co.uk/baby/diet-and-nutrition/allergies-and-food-intolerance/milk-allergy-and-intolerance.html#