Skip to content
My WebMD Sign In, Sign Up

Allergies Health Center

Select An Article
Font Size

Living With a Nut Allergy

With a peanut or tree nut allergy, even a tiny amount may cause an allergic reaction in some people. Some places you find nuts, like nut butters and nut breads, are not surprising. Others -- like sauces and gravies -- may be.

Once you know what to look for, you can check labels carefully before you buy or use a product.

Recommended Related to Allergies

Fragrance Allergies: A Sensory Assault

Do any of these scenarios sound familiar? You catch a whiff of a co-worker's new fragrance, and within minutes, you have a whopper of a headache. You pop open that new bottle of dish-washing liquid, and by the time you've washed the pots and pans, your hands and arms are covered in hives. You walk into a friend's home and smell freshly baked pumpkin pie. Only after you start sneezing uncontrollably and feeling dizzy, weak, and sick to your stomach do you learn she hasn't been baking...

Read the Fragrance Allergies: A Sensory Assault article > >

Nuts You May Need to Avoid

If you are allergic to peanuts, you may need to avoid tree nuts like walnuts and almonds. Same goes if you’re allergic to tree nuts -- you may need to avoid peanuts. Ask your doctor to be sure. Tree nuts include:

  • Almonds
  • Brazil nuts
  • Cashews
  • Chestnuts
  • Filberts
  • Hazelnuts
  • Hickory nuts
  • Macadamia nuts
  • Pecans
  • Pine nuts
  • Pistachios
  • Walnuts

Common Foods With Nuts

Don't be surprised to find peanuts or tree nuts in foods like these:

  • Baked goods. Cookies, candy, pastries, piecrusts, and others.
  • Candy. Chocolate candy especially; also nougat and marzipan.
  • Other sweets. Ice cream, frozen desserts, puddings, and hot chocolate.
  • Cereals and granola
  • Chex mix
  • Chili and soups. Peanuts or peanut butter are sometimes used as thickeners.
  • Grain breads
  • High-energy bars
  • Honey
  • International foods. Nuts are common in African and Asian cooking (especially Thai and Indian); also in Mexican and Mediterranean foods.
  • Mortadella. This Italian ham may include pistachios.
  • Meat-free burgers
  • Sauces. May include hot sauce, pesto, gravy, mole sauce, glazes, or marinades.
  • Salads and salad dressing


Common Ingredients With Nuts

Avoid these when cooking and look for them on prepared food labels:

  • Nut butters. Almond, cashew, peanut, and others.
  • Nut pastes. Includes products like marzipan, almond paste, and nougat.
  • Nut oils. Includes cold-pressed or expressed peanut oil, and others.
  • Hydrolyzed plant or vegetable protein. These can have peanuts in them.
  • Peanut flour
  • Nut extracts, like almond extract. 


4 Tips for Avoiding Nuts

  • Beware of cross-contact. Foods that don't contain peanuts or tree nuts can get contaminated if they are prepared in the same place or using the same equipment. Foods sold in the U.S. must say this on the label. Cross-contamination also occurs in ice cream parlors because of shared scoopers and other equipment.
  • Check the label each time you buy a product. Manufacturers sometimes change recipes, and a trigger food may be added to the new one.
  • Look for peanuts outside the kitchen. In addition to foods, nuts can be in lotions, shampoos, and pet food. Check labels before you buy or use them.  
  • Carry Auvi-Q or Epi-Pen (epinephrine shot). Carry two with you at all times and know how to inject it. For some people, an allergic reaction to nuts can quickly become life-threatening, so always be prepared.

WebMD Medical Reference

Reviewed by Laura J. Martin, MD on October 26, 2012
Next Article:

Today on WebMD

man blowing nose
Make these tweaks to your diet, home, and lifestyle.
Allergy capsule
Breathe easier with these products.
cat on couch
Live in harmony with your cat or dog.
Woman sneezing with tissue in meadow
Which ones affect you?

woman sneezing
Bottle of allergy capsules and daisies
Urban blossoms
Woman blowing nose

Send yourself a link to download the app.

Loading ...

Please wait...

This feature is temporarily unavailable. Please try again later.


Now check your email account on your mobile phone to download your new app.

Woman with itchy watery eyes
Allergy prick test
Man sneezing into tissue
woman with duster crinkling nose