Anyone who thinks they may be allergic to the cashew nut. Although nut allergies frequently develop in childhood, they can develop at any age. For many people, allergic reactions to nuts are very serious. 

Allergic disease is one of the most common chronic health conditions in the world. People with a family history of allergies have an increased risk of developing allergic disease. Hay fever (allergic rhinitis), eczema, hives, asthma, and food allergy are some types of allergic diseases. Allergy symptoms can range from mild to a serious, life-threatening allergic reaction (anaphylaxis).