Why Can't Some Contact Dermatitis Be Diagnosed by Blood Test, EVER?

I often see patients for allergies who desire allergy testing due to mysterious hive-like rash on the skin, and given many are fearful of needles, they opt for a blood test like RAST or immunoCAP to diagnose what they are allergic to. Some would even argue that skin prick testing would not be diagnostic. Though such blood tests have become remarkably accurate (skin prick is still the most accurate way to diagnose what a person is allergic to), there are profound and significant limitation…

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Strange But True Allergies People Suffer From (Sex, Kissing, Water, etc)

As shown on CBS news here , these things can cause an allergic reaction in the rare unfortunate individual: 1) Water can cause hives in some people (aquagenic urticaria) 2) Sunlight 3) Kissing (a person has recently eaten a food substance that the person being kissed is allergic too) 4) Sex (some women are allergic to seminal fluid) 5) Hops and barley can cause an allergic reaction 6) Low temperatures 7) Cell phones (due to Nickle content) 8) Pressure (too tight a belt, necktie, bra,…

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