How do doctors scan for allergies? Like the specific what are they looking for in the body and how.
In: Biology
There’s two tests I’m familiar with. There’s a blood test and a scratch test. The blood test they draw your blood and expose it to allergens. The scratch test they will apply a series of allergens to your skin and see what gives you hives.
The scratch test
http://juliequilts.blogspot.com/2011/11/food-allergy-skin-tests.html?m=1
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