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What to Expect During Allergy Testing
Learn about what to expect during allergy testing at Allergy Center. Expert evaluation, advanced testing, and personalized treatment plans. Schedule your consultation today.
What to expectprocesspreparation
Overview
Knowing what to expect can make your allergy testing visit smoother. Here is a general outline for skin testing and blood testing.
skin Testing
before
- Stop oral antihistamines 5–7 days before (your provider will specify)
- Eat normally; no fasting
- Wear clothing that allows access to forearms or back
during
- Small drops of allergen extracts placed on skin
- Light prick through each drop
- Wait 15–20 minutes
- Sites are measured and read
after
- Mild itching or redness is common
- Avoid scratching; topical steroid or antihistamine can help if needed
blood Testing
- Blood draw (one or more tubes)
- No medication hold required
- Results typically in a few days to a week
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