What are the top food allergies?
Here are the most common food allergies:
- Milk (dairy products)
- Eggs
- Peanuts
- Tree nuts (almonds, walnuts, cashews, etc.)
- Soy
- Wheat
- Fish
- Shellfish (shrimp, crab, lobster, etc.)
These “Big 8” allergens account for about 90% of all food allergic reactions. A few other relatively common food allergies include:
- Sesame (recently added as the 9th major allergen in the US)
- Corn
- Seeds (like sunflower or pumpkin)
- Certain fruits and vegetables (often related to oral allergy syndrome)
The severity of allergic reactions can range from mild symptoms like hives or itching to severe, life-threatening reactions (anaphylaxis)
Symptoms of Allergens:
Here are the common symptoms of food allergies, which typically appear within minutes to 2 hours after eating the allergen:
Mild to Moderate Symptoms:
- Hives (itchy, red welts)
- Itching or tingling in the mouth
- Swelling of lips, face, tongue, or throat
- Skin rash or eczema flare-ups
- Stomach pain
- Nausea or vomiting
- Diarrhea
- Nasal congestion or runny nose
- Sneezing
- Dry cough
Severe Symptoms (Anaphylaxis):
- Difficulty breathing
- Wheezing
- Tightening of throat
- Chest pain
- Drop in blood pressure
- Rapid pulse
- Dizziness or fainting
- Loss of consciousness
Important notes:
- Anaphylaxis is a medical emergency requiring immediate treatment with epinephrine (EpiPen) and emergency medical care
- Some people may experience only a few symptoms while others may experience many
- Reactions can vary in severity each time
- Symptoms can differ between children and adults
- Food allergies are different from food intolerance, which typically cause less severe reactions focused on digestive issues
Know what to look for, You just might save a life!

