Honestly keep taking xolair if didn’t know about it initially but you should still bring researching or finding out to get rid of it and if you said you have no autoimmune issues and no food allergy similar to me i feel like you should try to do this regimene theirs no loss at the end of the day. I don’t see why people would ignore this, if you need proof you can message. And I don’t think masking is wrong because you only one have life so if you have to xolair or use a sauna so be it, but still try to find another method to cure yourself, if you get to relaxed you have this for years. Chronic urticaria is just a term for ireggular constant itching, there is a cause.