What is the difference btween a prick n patch test? thanks!

Fast vs Slow: Prick (epicuantous) tests examine ige mediated allergic diseases adn results are avaialble within 15-20 minutes. Patch tests look for delayed type hypersensitivity reactions, and are typically read at 72-96 hrs. They diagnose different types of immunologic (allergic) reactions. (the photo shows patch testing.).

Prick and Patch test: The skin prick test is the most common allergy skin test. Tiny drops of allergens are dropped on your skin, usually the back. A needle is then pricked through the skin into each extract.This test is read within 15inutes. With the allergy patch test, your doctor applies the specific allergen to a patch and then places this patch on your skin. You will be asked to leave the patch on for 48 hours.

Completely Different: Prick testing tests for immediate type hypersensitivity reactions and is the best way to diagnose food and airborne allergies patch testing tests for delayed type hypersensitivity and is the best way to test for allergy to things your skin is coming into contact with that might be giving you a rash.