What causes soy allergy in babies

A little percentage of breastfeeding mothers notice an obvious difference in their babys behavior and/or health when they eat certain foods. Cow’s milk products are the most common problem foods and the only foods conclusively linked by research to fussiness/gassiness in babies, but some babies do react to other foods. Food sensitivities in breastfed babies are not almost as common as numerous breastfeeding mothers own been led to ponder, however.

If a breastfed baby is sensitive to a specific food, then he may be fussy after feedings, weep inconsolably for endless periods, or sleep little and wake suddenly with obvious discomfort.

There may be a family history of allergies. Other signs of a food allergy may include: rash, hives, eczema, sore bottom, dry skin; wheezing or asthma; congestion or cold-like symptoms; red, itchy eyes; ear infections; irritability, fussiness, colic; intestinal upsets, vomiting, constipation and/or diarrhea, or green stools with mucus or blood.

The severity of a food reaction is generally related to the degree of baby’s sensitivity and to the quantity of the problem food that mom ate—the more food eaten and the greater baby’s sensitivity, the more severe the reaction.

Food reactions may happen within minutes, but symptoms in breastfed babies more commonly show up hours after exposure. If baby has an acute reaction to a new food, or to a food that mom ate a large quantity of, then he will probably be back to normal within a couple of hours. If baby is sensitive to a food that mom eats frequently, symptoms may be ongoing.

What if a specific food appears to be a problem?

If you ponder your baby is reacting to a specific food, then eliminate that food from your diet for weeks to see if baby’s symptoms improve. If baby’s symptoms do improve, then this food may be a problem for your baby.

Eliminating a food for less than weeks may not be effective—cow’s milk protein, for example, can persist in mom’s body for 1½ 2 weeks, and it may be another 1½ 2 weeks before the protein is out of babys system.

Baby’s symptoms will generally start to improve within days of eliminating a problem food. Your baby may not improve immediately, however, especially if the reaction is to a food that has been a regular part of moms diet.

What causes soy allergy in babies

Some babies seem to feel worse for about a week before symptoms start to improve. Sometimes it takes several weeks to see an improvement.

One way to confirm that a specific food is a problem for your baby is to eat that food again to see whether baby has the same reaction. The more severe your baby’s original symptoms, the longer you may wish to wait before reintroducing it into your dietfor a extremely severe reaction you may not reintroduce the food at every. If you reintroduce a food and your baby does not own the same reaction as before, then baby is probably not sensitive to that food.

If he does react in the same way, you will desire to limit or avoid this food for a time until baby is older or in some cases until baby has weaned.

If baby is only a little sensitive to a specific food, you may be capable to simply limit the quantity that you eat, rather than eliminate that food altogether. Most babies grow out of food sensitivities within several months to a year, but some food allergies persist long-term.

Normal Baby Fussiness

Most baby fussiness is normal for a young baby, and is not related to foods in moms diet.

What causes soy allergy in babies

If your baby is sensitive to something you are eating, you will most likely notice other symptoms in addition to fussiness, such as excessive spitting up or vomiting, colic, rash or persistent congestion. Fussiness that is not accompanied by other symptoms and calms with more frequent nursing is probably not food-related.

Read more here about normal baby fussiness.

Food additives and children

Food contains additives for numerous reasons, such as to preserve it, to help make it safe to eat for longer, and to give colour or texture.

All food additives go through strict safety testing before they can be used. Food labelling must clearly show additives in the list of ingredients, including their name or «E» number and their function, such as «colour» or «preservative».

A few people own adverse reactions to some food additives, love sulphites, but reactions to ordinary foods, such as milk or soya, are much more common.

What causes soy allergy in babies

Read more about food colours and hyperactivity.

Further information

Sheet final reviewed: 24 July
Next review due: 24 July

How closely do I need to watch what I eat?

Most babies own no problems with anything that mom eats. Its generally recommended that you eat whatever you love, whenever you love, in the amounts that you love and continue to do this unless you notice an obvious reaction in your baby.

There is no list of foods that every nursing mom should avoid because most nursing mothers can eat anything they desire, and because the babies who are sensitive to certain foods are each unique what bothers one may not annoy another.

What foods are most likely to be a problem?

Some of the most likely suspects are cows milk products, soy, wheat, corn, eggs, and peanuts.

Other suspect foods:

  1. A new food (if baby’s symptoms are new)
  2. A food that mom recently ate a large quantity of
  3. Any food that a family member is allergic to
  4. A food that mom doesnt love, but is eating while breastfeeding (and/or ate while pregnant) for the benefit of her baby
  5. A food that mom craves, or feels she has to own after a bad day

Conscious likes and dislikes of foods are signals that your body may be reacting to them in an abnormal way.

Keeping a food journal with a record of foods eaten and babys behavior/symptoms, with time of day for each, may be helpful when trying to pinpoint a problem food.

How will I know if my kid has a food allergy?

An allergic reaction can consist of 1 or more of the following:

  1. swollen lips and throat
  2. wheezing and shortness of breath
  3. diarrhoea or vomiting
  4. a cough
  5. itchy throat and tongue
  6. itchy skin or rash
  7. runny or blocked nose
  8. sore, red and itchy eyes

In a few cases, foods can cause a severe allergic reaction (anaphylaxis) that can be life-threatening.

Get medical advice if you ponder your kid is having an allergic reaction to a specific food.

What causes soy allergy in babies

Don’t be tempted to experiment by cutting out a major food, such as milk, because this could lead to your kid not getting the nutrients they need. Talk to your health visitor or GP, who may refer you to a registered dietitian.

Introducing foods that could trigger allergy

When you start introducing solid foods to your baby from around 6 months ancient, introduce the foods that can trigger allergic reactions one at a time and in extremely little amounts so that you can spot any reaction.

What causes soy allergy in babies

These foods are:

  1. soya
  2. foods that contain gluten, including wheat, barley and rye
  3. cows’ milk
  4. eggs (eggs without a red lion stamp should not be eaten raw or lightly cooked)
  5. nuts and peanuts (serve them crushed or ground)
  6. seeds (serve them crushed or ground)
  7. shellfish (don’t serve raw or lightly cooked)
  8. fish

See more about foods to avoid giving babies and young children.

These foods can be introduced from around 6 months as part of your baby’s diet, just love any other foods.

Once introduced and if tolerated, these foods should become part of your baby’s usual diet to minimise the risk of allergy.

What causes soy allergy in babies

Evidence has shown that delaying the introduction of peanut and hen’s eggs beyond 6 to 12 months may increase the risk of developing an allergy to these foods.

Lots of children outgrow their allergies to milk or eggs, but a peanut allergy is generally lifelong.

If your kid has a food allergy, read food labels carefully.

Avoid foods if you are not certain whether they contain the food your kid is allergic to.


What causes soy allergy in babies