My 12 year old daughter was just diagnosed today with this. I read the other posts relating thyroid problems with autoimmune urticaria. Since I have hypothyroidism, I'm guessing that she should be tested for this at her regular doctor's office? Right now all I can afford is the double dose of Zyrtec, but with everything else she's allergic to (7 types of trees, 3 molds, ragweed, cat, feathers,dust mites & roaches of course) the allergy shots would be better for her, right?