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itchy hands, as soon as I scratch, large blisters appear

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Hi I have a problem that my forearm and hands are itching as soon as I scratch it large blisters appear and then the blisters also itch very badly.

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replied October 25th, 2015
Skin Answer A54504
Hello and Welcome

I appreciate your concern

It appears to be acute urticarial. Anti histamines like cetirizine or hydroxyzine can help in acute flares. If the phenomenon is recurrent and chronic then non sedating desloratidine or fexofenadine would be required for at least a month. Trigger for the allergic response should be identified and avoided.

Wishing you best of health


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