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Oral Food Challenges

An Oral Food Challenge is the gold standard test used by allergy specialists to confirm or rule out your child's allergy. It helps confirm whether a food allergy exists, if previous tests have been unclear.

Food Ingredients in Bowls
Image by ian dooley

What are oral food challenges and how do they work?

At our clinic, we offer Oral Food Challenges (OFCs), the most accurate method for diagnosing food allergies. This carefully controlled procedure involves gradually eating small amounts of a suspected allergenic food under medical supervision to assess whether it triggers a reaction. It helps confirm or rule out food allergies with confidence, particularly when previous tests like skin pricks or blood work yield uncertain results.

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Oral food challenges are conducted in a safe clinical environment by our experienced allergy specialists. The test is performed in multiple steps, beginning with tiny amounts of the food and increasing gradually while we closely monitor for any allergic symptoms. Emergency medications are readily available, and patients are observed for a period afterward to ensure their safety throughout the process.

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We use OFCs not only to diagnose new food allergies but also to determine if a known allergy has been outgrown. This test provides reassurance and clarity, supporting informed decisions about diet and long-term allergy management. If you're unsure about a food allergy diagnosis or are considering reintroducing a food, our team is here to guide you safely and effectively.

Who are Oral Food Challenges
suitable for?

Oral Food Challenges are suitable for individuals with suspected or previously diagnosed food allergies who need a clear, accurate diagnosis or want to determine if they have outgrown an allergy.

What results to expect

The results of an oral food challenge will confirm whether a specific food triggers an allergic reaction. If no symptoms occur during the test, the food is considered safe to eat, and our allergy specialists may recommend gradually reintroducing it into your diet. This outcome can bring significant relief, especially for children who may have outgrown an earlier allergy.

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If a reaction does occur during the challenge, the food is confirmed as an allergen, and you’ll receive clear guidance on how to avoid it and manage any future exposures. Your specialist will also update your allergy action plan and may prescribe emergency medication such as an epinephrine auto-injector if needed. In either case, the test provides definitive answers to help you move forward with greater confidence.​​

Book or enquire about an Oral Food Challenge

If you're considering an Oral Food Challenge for your child, or want to speak with our team about whether it’s the right option, we’d love to hear from you. Contact us today to find out more or make a booking.

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