Hazelnut allergy is a type of tree nut allergy characterized by an allergic reaction to proteins found in hazelnuts. It is one of the more common nut allergies and can range from mild to severe, including the risk of anaphylaxis. Like other food allergies, hazelnut allergy is an immune response and can be triggered by both raw and cooked hazelnuts...
People with hazelnut allergies may also react to other tree nuts and foods, such as: