How do food allergies develop?

The exact reasons why food allergies develop aren’t always clear, with research indicating both genetic and environmental causes. For example, if a family member has a food allergy, that makes it more likely that you will develop one too, while the bacteria in your stomach can also cause it.

How do they test for food allergies?

First, you’ll need to talk to a doctor about your symptoms and if a food allergy is suspected, you’ll be tested at a clinic. If the symptoms developed quickly you’ll be given a skin prick or blood test, while symptoms that developed more slowly are tested through a food elimination diet.

How do you get rid of an allergic reaction fast?

If the reaction is serious enough to lead to anaphylaxis, you need to get emergency help immediately and if they have one with them use an auto-injector like an EpiPen. Afterwards, while you wait for help, put them in the recovery position.

How do you get tested for food allergies?

You can try a skin prick test to detect a food allergy.

What happens to your body when you have a food allergy?

Any of these things can happen to your body when you have a reaction to a food allergy: hives, itching or eczema; tingling or itching in the mouth; swelling of the lips, face, tongue and throat; wheezing, nasal congestion or breathing trouble; dizziness or lightheadedness and; abdominal pain, diarrhea, nausea or vomiting.

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Online Courses FAQs

Choosing the right course or knowing which one best suits your requirements can be difficult, here we answer the most commonly asked questions about popular topics to help.

Food Allergen Reactions

People react different to food allergens, our FAQs take a look at what reactions can be triggered.

How do food allergies develop?

The exact reasons why food allergies develop aren’t always clear, with research indicating both genetic and environmental causes. For example, if a family member has a food allergy, that makes it more likely that you will develop one too, while the bacteria in your stomach can also cause it.
How do they test for food allergies?

First, you’ll need to talk to a doctor about your symptoms and if a food allergy is suspected, you’ll be tested at a clinic. If the symptoms developed quickly you’ll be given a skin prick or blood test, while symptoms that developed more slowly are tested through a food elimination diet.
How do you get tested for food allergies?

If you suspect you have a food allergy, contact your GP who will be able to arrange further tests, such as a skin prick test, to confirm the allergy.
What happens to your body when you have a food allergy?

Any of these things can happen to your body when you have a reaction to a food allergy: hives, itching or eczema; tingling or itching in the mouth; swelling of the lips, face, tongue and throat; wheezing, nasal congestion or breathing trouble; dizziness or lightheadedness and; abdominal pain, diarrhea, nausea or vomiting.