Lupin Allergy IgE Blood Test

What is the purpose of this test?

Order this Lupin Allergy IgE Blood Test measures the IgE antibody levels in the blood to screen for lupin allergy. Lupins are beans belonging to the legume family with origins in the Mediterranean. Lupins are an increasing food allergen in the United States, with more and more containing lupin as a key ingredient. Approximately, 5-28% of individuals with a known peanut allergy also being allergic to lupins. Most food allergies develop in childhood. Some individuals outgrow them over time, but many suffer from lifelong allergies, especially to lupins. 

Consuming lupins or their products may activate an individual's immune system response. Once ingested, the immune system will view these proteins as harmful and produce antibodies to combat these invaders. Unfortunately, these antibodies cause a chemical known as histamine to be released, triggering an allergic reaction. 

When should I order a Lupin Allergy IgE Blood Test?

Individuals may order this test if they have experienced symptoms associated with a lupin allergy. Depending on the individual, lupin allergic reactions may range from mild to severe. An individual may experience allergic reactions minutes to a few hours after exposure. An individual allergic to lupins may experience the following symptoms:

• Tingling sensation in or around the mouth
• Swelling 
• Abdominal pain
• Nausea or vomiting
• Diarrhea
• Itching, hives, or eczema
• Congestion
• Trouble breathing or wheezing
• Lightheadedness

In some cases, a severe, possibly life-threatening allergic reaction known as anaphylaxis may occur. An anaphylactic response requires immediate medical attention. Signs or symptoms of anaphylaxis may include:

• Rapid or increased pulse
• Swollen throat or lump, making it difficult to breathe
• Low blood pressure
• Extreme dizziness or loss of consciousness

What foods should I avoid if I have a lupin allergy?

Individuals allergic to lupins should avoid consuming the following foods:

• Pasta
• Chocolate spreads
• Vegetarian sausage
• Sauces
• Stews
• Baked onion rings
• Salads
• Lupin hummus spreads
• Ice creams
• Antipasto
• Bread
• Rolls 
• Biscuits and other baked goods (cookies and cakes)