Diagnostic Tests

Allergy Potato Enzyme Assay Skin


Allergy Potato Enzyme Assay Skin

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What is this test?

Allergy Potato Skin Test is used to test the sensitization of your skin to potatoes. This test helps in knowing the immune response to the potatoes and its products. In this test, your skin is slightly pricked and introduced to the potato particles.

What is a potato allergy?

Potatoes are the common staple crop in many countries. If anyone is allergic to potato there may be chances of being allergic to other members of the nightshade plant family. Other members of the nightshade plant family include tomatoes, eggplant, paprika, tobacco, bell peppers, okra, etc. Potato is an important vegetable in the balanced and nutritious diet. They are also used to make snacks and other products.

While potato allergy is very uncommon, but there may be chances of having a potato allergy for all age groups. A potato allergy may happen when the immune system mistakes the proteins in the cells of potato as a foreign substance. Then the body produces a reaction similar to the one created during an attack of bacteria or virus. The symptoms of potato allergy vary from person to person. Some of them are itchy eyes with stinging sensation, runny nose, sneezing, itchy red skin, sore throat with scratchy feeling, eczema, hives, or similar rashes, etc. Potato allergy may upset the digestive system causing gas, diarrhea, bloating, cramps, nausea or vomiting, etc.

Sometimes the allergic reactions can be life-threatening causing narrowing of the airways, making it difficult to breathe. Very less often potato allergy may cause an anaphylactic reaction. Anaphylaxis is a medical emergency condition which leads to facial flushing, itching, shock, sudden fall in blood pressure, constriction of airways, swollen throat, difficulty to breathe, etc.

Foods to be avoided:

Potatoes are used as an ingredient in many food items like shredded cheese which may contain potato starch, dried cooked potatoes are used as a thickener in some processed foods like soups or stew, modified potato starch is used as an ingredient in many food products including some candies, potato flour is sometimes used as a substitute for wheat flour in pre-packaged foods, most of the vodkas are made of potatoes, potatoes are also used as an ingredient in some herbal medicine.

Why this test is recommended?

This test may be recommended to you if you experience symptoms like itchy eyes with stinging sensation, runny nose, sneezing, itchy red skin, sore throat with scratchy feeling, eczema, hives, or similar rashes, etc. This may also be recommended to evaluate the effectiveness of the treatment if you are diagnosed already.

Test Preparation

No special preparation is needed for Allergy Potato Enzyme Assay Skin. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing Allergy Potato Enzyme Assay Skin. Your doctor depending on your condition will give specific instructions.

Understanding your test results

After getting exposed to potato contents if you develop hives, which are raised bumps at the test location that are at least 3mm in size may indicate that you have the allergy to potatoes.

If there is no reaction or hives present on the skin after getting exposed to the potato contents then it may indicate that you are not allergic to potatoes.

GenderAge groupsValue
UNISEXAll age groupsA wheal and flare reaction of atleast 3mm indicates that the patient is allergic to the substance
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