urticaria
"At 32 years old I suddenly developed chronic hives after having zero allergies my entire life.  After three months of antihistamines that did nothing and large doses of prednisone that caused extreme weight gain and mood issues, I was able to start Xolair and my hives cleared within days.  Today was my 4th set of shots and I continue to be free from all hives.  I've read the horror stories of people suffering for decades before this treatment came out and I am unbelievably thankful that I was able to start so soon after my diagnosis. It's incredibly expensive but the manufacturer has multiple programs to help people with and without insurance to cover the cost."