A practical guide for parents about Allergenic Foods based on the latest medical recommendations.Introducing solids is a major milestone—and so is the introduction of potential allergenic foods like peanuts, eggs, dairy, and more. The good news? Early introduction, when done safely, may actually help prevent food allergies in many children.Here’s everything you need to know …

Parent feeding their baby a small spoonful of peanut butter in a highchair to introduce allergenic foods safely.

A practical guide for parents about Allergenic Foods based on the latest medical recommendations.

Introducing solids is a major milestone—and so is the introduction of potential allergenic foods like peanuts, eggs, dairy, and more. The good news? Early introduction, when done safely, may actually help prevent food allergies in many children.

Here’s everything you need to know to confidently and safely introduce allergenic foods to your baby.


Why Introducing Allergens Early Matters

New research has shifted the way pediatricians recommend introducing allergens. In the past, parents were told to wait until age 1 or later. But now, studies show that introducing common allergenic foods between 4–6 months of age (once baby is developmentally ready) can reduce the risk of developing food allergies—especially for high-risk babies.


Signs Your Baby Is Ready

Before offering allergenic foods, make sure your baby:

  • Can sit up with support
  • Has good head and neck control
  • Shows interest in food
  • Has started solids like purées or cereals

Always check with your pediatrician first—especially if your baby has eczema, a family history of allergies, or other concerns.


Common Allergenic Foods to Introduce

  • Peanuts (smooth peanut butter diluted with breast milk or water)
  • Eggs (hard-boiled, scrambled, or baked into foods)
  • Cow’s milk (not as a drink, but in yogurt or cheese)
  • Soy
  • Wheat
  • Fish
  • Shellfish
  • Tree nuts (as nut butters or pastes, not whole nuts)

How to Introduce Allergenic Foods Safely

1. Start with One Allergen at a Time

Wait 3–5 days before introducing another allergen to monitor for any reaction.

2. Offer a Small Amount First

Start with a tiny amount (e.g., 1/4 teaspoon of peanut butter thinned with water) and wait 10–15 minutes while observing.

3. Serve at Home, Not at Daycare

Try new allergens in the morning or early afternoon when you can watch for signs of a reaction.

4. Repeat Exposure

If tolerated, continue offering the allergenic food 2–3 times per week to maintain tolerance.


Signs of an Allergic Reaction

Call emergency services if your baby experiences:

  • Hives or rash
  • Vomiting or diarrhea
  • Swelling of the lips, face, or eyes
  • Coughing, wheezing, or trouble breathing

Have antihistamines or an epinephrine auto-injector (if prescribed) available if your child has been diagnosed with a food allergy.


Final Thoughts

Introducing allergenic foods may feel scary—but with the right approach, it can be safe and even beneficial. Talk to your pediatrician, follow updated recommendations, and trust your instincts.

You’re doing great, mama.

Suleiman Atieh

Suleiman Atieh

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