There are several different types of rash caused by allergy. Rashes that are similar ... can also be to blame. Blood tests are not helpful in identifying the cause, and the best to find the ...

What Happens During an Allergy Test? If your doctor thinks you might have an allergy, you’ll probably go see an allergist (a doctor who diagnoses and treats allergies) for testing. In a typical skin ...

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I have an allergy rash which I have had for about 18 ... I have eliminated certain foods from my diet and it is still there.