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8 Foods Babies Are Most Likely to Be Allergic To

From peanuts and tree nuts to eggs and fish, let's find out the most common food allergies in babies—plus, how you can help keep them safe.

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A cute baby in a red dress with puffy cheeks sits on a white children's chair.fotosparrow/Shutterstock

Milk

Got milk allergy? Cow’s milk is one of the most common foods for babies to be allergic to. About 7% of babies are not able to digest milk proteins, which can lead to digestive problems like vomiting, diarrhea and even blood in their poop. Wait until your baby is at least one year old to try cow’s milk; if he tolerates it, shake things up by blending milk into these fruity shakes and smoothies!

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a child in a t-shirt in the kitchen eating an omelet, a forkkomokvm/Shutterstock

Eggs

Eggs provide some serious brain food for your budding Einstein, so aim to start incorporating them into your baby’s diet at around 6 months old. Babies with peanut allergies or severe eczema are more likely to be allergic to eggs, so check with your pediatrician if you’re concerned. Try scrambling the egg yolk and mixing it into your baby’s cereal to start.

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Portrait Of A Cute Little Baby Girl Eating FoodAndrey_Popov/Shutterstock

Fish

While your baby could experience an allergic reaction to fish, many people don’t develop one until they are older. According to the American College of Allergy, Asthma and Immunology, 40% of people with a fish allergy never experienced a reaction until adulthood. Observe your baby after she tries flakes of salmon or halibut for the first time for any signs of a rash or trouble breathing.

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Father Holding Newborn Baby Son In NurseryMonkey Business Images/Shutterstock

Shellfish

Shellfish is one of the most common foods or babies to be allergic to, and these allergies usually last into adulthood. While it would be adorable to see babies using tiny seafood tools to enjoy a fresh lobster, most are exposed to it through breast milk. If you notice your baby is uncomfortable or developing a rash after nursing, take a look at what you ate recently to look for clues. Watch out for these other foods if you breastfeed.

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Little girl and her blonde mom in beige aprons playing and laughing while kneading the dough in kitchen.Andrei_R/Shutterstock

Wheat

While celiac disease is rare in babies, some infants have trouble digesting wheat or gluten. You may notice your baby breaking out in a rash or experiencing stomach pain after eating baby cereal containing wheat. Keep an eye out for sneaky foods for wheat to hide in, like certain prepared yogurts, soup mixes and soft cheeses. Then, look for a wheat-free baby cereal.

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A Little baby eating her dinner and making a messLopolo/Shutterstock

Soy

Soy is one of the most common foods for babies to be allergic to; fortunately, most babies outgrow this allergy by childhood. Become a food label expert, as soy can be added to just about any processed food.

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Asian Baby girl smiling with mouth and face full of peanut butterHafiez Razali/Shutterstock

Peanuts

If you’ve been holding back on introducing your little one to every kid’s favorite lunchtime staple for fear of allergies, it may be time to break out the Skippy. Studies have shown that waiting to give your baby peanuts or peanut butter could raise his risk of developing an allergy. Most babies are ready to try it between 4 and 6 months.

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mother comforts a sad baby, mom holds her son in her arms in a real bright interior.Natalia Lebedinskaia/Shutterstock

Tree Nuts

While it’s unlikely that your 6-month-old is sitting in the next room chomping on a big bowl of trail mix right now, she could still be exposed to tree nuts through breast milk or by having a snack containing nut butter. Tree nuts include almonds, cashews, pecans, walnuts and just about every nut other than peanuts.

Carrie Madormo, RN
Now a freelance health and food writer, Carrie worked as a nurse for over a decade. When she isn't hunched over her laptop with a baby in hand, you will find her cooking her grandmother’s recipes, lacing up her running shoes or sipping coffee in the bathroom to hide from her three young children.

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