Cashew Allergy
Cashew allergy is a type of food allergy that is included in tree nut allergies. This allergy, which usually develops in childhood, can also occur in adulthood. Adult individuals who have not previously had allergies may develop an allergy to cashews at any time in their lives. The average age of first reactions to cashew nuts in children is 2 years old. Cashew allergy has become increasingly common, especially in children. The reason for this can be shown as the increasing and widespread consumption of cashews. Cashew allergy, like all tree nut allergies, tends to last a lifetime. Very few children with cashew allergy outgrow their cashew allergy later in life. Tree nut allergies are strong allergies that can cause serious allergic reactions. Among the tree nuts; cashews, Brazil nuts, pistachios, hazelnuts, almonds and walnuts.
Cashew Allergy Symptoms
Symptoms of cashew allergy generally appear shortly after exposure to cashews. However, in some rare cases, this period may be extended. Eating cashew nuts is not the only factor causing an allergic reaction. Even breathing in a very small piece of cashew nuts can cause an allergic reaction. Symptoms of cashew allergy may vary from person to person. While some people experience mild symptoms, some people experience life-threatening symptoms.
Symptoms of cashew allergy include:
- Itching; a general itching affecting the mouth, throat, eyes or skin area,
- runny nose or nasal congestion,
- Nausea, stomach cramps, vomiting, diarrhea,
- difficulty swallowing,
- Shortness of breath,
- Anaphylaxis.
*Anaphylaxis is a very serious reaction and can be life-threatening. In anaphylaxis, the lips and tongue may swell, making breathing very difficult. In case of anaphylaxis, very urgent medical attention is required.
*When the symptoms of allergic reactions in children are examined; It has been reported that 50% of children have skin problems such as hives, 25% have symptoms such as breathing difficulties, and 17% have symptoms such as intestinal problems.
Cross Reaction and Risks in Cashew Allergy
If you are allergic to walnuts, almonds or any other tree nuts; You have a higher risk of having a cashew allergy. If you have a legume allergy such as peanuts, your risk of developing a cashew allergy increases. People with peanut allergies have a very high risk of developing cashew allergy. In cross-reactivity, if you are allergic to one food, you are more likely to develop an allergy to another food. Because the proteins in various foods or pollens are similar, the immune system reacts to all of them and an allergic reaction occurs. Foods that may cause cross reactions in cashew allergy are pistachios and pink pepper.
Diagnosis and Treatment of Cashew Allergy
If you suspect cashew allergy symptoms, you should see an allergist immediately, as cashew allergy can have serious consequences. Your allergist will make a definitive allergy diagnosis based on your symptoms and the tests and methods that are suitable for you. The most commonly used tests to diagnose cashew allergy are skin prick test and blood test. In the skin prick test, a very small amount of the allergen is placed under your skin. Then, the changes that will occur on your skin are observed. If there is redness or blistering in the area where the allergen is located, it can be concluded that you have an allergy. In the blood test, the antibodies in your blood against cashew allergy are examined. The best treatment for a cashew allergy is to avoid cashews and anything containing cashews. For this reason, you need to know the ingredients of the food you eat very well. When buying packaged foods, you should read the labels in detail. Your allergist will also inform you about foods that may cause cross reactions and you will need to stay away from these foods. Your allergist may prescribe an adrenaline auto-injector for use in severe reactions of cashew allergy, such as anaphylaxis. Your allergist will inform you about the usage details of this syringe.