Pin prick allergy testing Animation

Skin break and intradermal test are two allergy testing methods ,A clinican uses a fine needle to pick a drop of allergin like pre pollen dust animal dander under top most skin layer in the skin prick test clinican injects the solution containing alergen into the skin in the interdermal test ,the redness results at the test site in allergin sensitive person is refferd to as flare ,where the swolling results from raised bump is refered to as wheal

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