Vit D supplement: An elevated CH50 may signal inflammation. The vit D level points to vitamin D insufficiency and need for a supplement. Most cases of idiopathic urticaria have a very good prognosis especially if controlled with high dose of antihistamine.
Answered 9/29/2016
3.5k views
Screen/Autoimmune ds: I would also suggest screening for autoimmune disease as an underlying cause of the condition. http://www.mayoclinic.org/diseases-conditions/chronic-hives/basics/treatment/con-20031634
Answered 12/17/2014
3.5k views
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