Specific food allergens
A food that causes an allergy is called an allergen. An allergen will affect a food-allergic person every time they eat it. Sometimes, only a tiny trace can trigger a reaction. There are around 160 food allergens.
The 8 allergens listed below are responsible for 90% of all allergic reactions to foods.
- tree nuts.
Egg and milk allergies are the most common food allergies among infants but are often outgrown. Shellfish allergy is more common among adults than children. Peanut allergy is equally common among children and adults.