Idiopathic: About 90% of cases of chronic hives (those lasting more than 6 weeks) are idiopathic. A good history is important to make sure that the hives aren't caused by medications or foods or an infection. In most cases the use of a non-sedating antihistamine will control them until they decide to run their course. If not easily controlled it would make sense to see a board certified allergist.
Answered 5/3/2015
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Hormonally mediated : The fact that your cycles stopped and the hives came at the same time would make me think that there is some connection. Hives are caused by release of histamine in yuor skin. The histamine is released in response to some type of immune, hormone or autonomic stimulus. You could have undiagnosed food allergies, reactions to toxic mold or other antigenically active substances. Metaoli.
Answered 12/4/2012
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Hormones: I am assuming you get hives once a month in sync with your menstrual cycle. Hives can correlate with hormonal peaks. If you are not menstruating and are having hives i would want to make sure you are not pregnant. Hives can be treated with Allegra 180 mg daily. Sometimes zantac (ranitidine) 150 twice daily is added if Allegra is not enough.
Answered 6/24/2014
5.4k views
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