Is milk bad for eczema?

Is milk bad for eczema?

Only 2% of infants have a confirmed milk allergy that is linked to eczema. There’s no clear scientific evidence proving that giving up milk will improve symptoms in the rest of the population, even in those that are lactose intolerant. What may help is the anti-inflammatory Mediterranean diet.

Milk allergies and eczema

Milk allergy is associated with eczema, however it's important to note that this is not the same as saying that milk is bad for eczema. Let me explain...
Cow's milk contains two substances: the protein casein, and a natural sugar called lactose.
A severe casein allergy is relatively rare and is estimated to affect about 2% of infants. 69% of people should grow out of the allergy by the time they are age 10(1). Milk casein allergy is linked with eczema because often people will have both a food allergy and eczema. The symptoms of a food allergy can be serious - big hives and breathing difficulties that appear immediately after eating. Alternatively, it can be a slower reaction appearing some hours after exposure, with symptoms such as reflux, colic, constipation and eczema.
A diagnosed allergic association with eczema is branded as 'atopic eczema' or 'atopic dermatitis'. Confusingly, the term atopic dermatitis is used pretty randomly even when there is not a confirmed diagnosis of allergy-related eczema.

40% of children with eczema do not have a specific food allergy; ergo, their skin condition will be called eczema rather than 'atopic' and is more likely to be caused by an inherited weakness in skin barrier function or as the effect of the environment.

Lactose intolerance (or malabsorption) is different from an allergy. It affects the body's ability to digest lactose, a natural sugar in milk. Symptoms start usually about half an hour after ingesting milk products and include all sorts of IBS-like and fermentation-related upsets such as wind, bloating or diarrhoea.
This type of food intolerance has not been shown to have a direct effect on eczema. It affects 8% of the UK population and 4% of the Irish(2). It's more prevalent in people with Asian and Afro-Caribbean descendants, who may not produce enough of an enzyme called lactase responsible for breaking down lactose.

Will a milk-free exclusion diet help my eczema?

If a confirmed milk allergy is present, removing it from the diet will help control eczema symptoms.

Otherwise, there doesn't appear to be much scientific evidence that eliminating milk from the diet will help eczema. However, nutritionists argue that a chronically upset digestive system due to lactose malabsorption or other food intolerances can stress the body and lead to inflammation and eczema flare-ups. Poor digestion of food may also negatively affect the population of good bacteria in the gut, and this may aggravate skin conditions too. You can read more about eczema and its association with gut health here.

Many health care providers recommend the Mediterranean Diet because it has been shown to reduce inflammation and support the immune system by promoting a healthy digestive microflora. Both measures could be beneficial for strengthening the skin barrier function and therefore eczema. There is also some evidence to show that supplementing with probiotics may be beneficial for eczema(3).

The Mediterranean diet is based on simple principles - lean, clean protein and brightly coloured vegetables as well as good oily food such as nuts, flax seed and fish like salmon. If you can shove in lots of these lovely things it may also leave less room for any bad eating habits that may be aggravating eczema (alcohol, sweeties and takeaways etc). The A.Vogel website has lots of easy (and tasty) recipes link to keep you feeling motivated.
With eczema it's important to nourish the skin from the outside too. This ensures that it is protected from irritating environmental hazards and from drying out.

• Avoid harsh chemical household cleaners and toiletries. Love your protective rubber gloves and use gentle soaps or soap alternatives that will not dry out the skin or cause irritation.
• Make sure that the skin is protected from too much sun exposure. While a small amount of natural light is beneficial, UV light is especially harmful, even in winter – don't get sunburnt and cover-up.
• Keep the skin from drying out, especially in cold, windy weather. Moisturise well and often. Neem Cream is a soothing and natural option that can counter redness. It is suitable for irritated, eczema-prone skin.
• Sweat can be a big eczema trigger. Wear natural fibres like cotton or moisture-wicking fabrics that will allow the skin to breathe and will not chaff. You'll find more tips on how to exercise with eczema here.

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