Chronic urticaria: I assume your daughter is not taking Aspirin or any other daily medicine. Hives every day for 3 months is chronic urticaria. This is due to nervous mast cells producing histamine. It is not allergy. Try generic antihistamine. Cirtrazine (zyrtec) will help. Get 10 mg pills. If 1 a day does not stop hives, she may need 2 or 3 a day. If she is sleepy on this try Loratadine (claratin). See a dermatol.
Answered 6/27/2014
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