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Small itchy bumps appearing on hands, arms, eventually disappears. What could this be?

Small itchy bumps appearing on hands, arms. Eventually disappears. What could this be? I seem to have random small itchy bumps that appear only on my hands or arms. Only one will appear and I do not notice it until I itch it. If I leave it alone, it disappears. If I scratch it, it looks like a mini mosquito bite. They are slightly red, but not really dark red. They fade back to skin toned. They appear sporadically and never more than one at a time. Within a few hours if I do not scratch them, they completely disappear and do not itch again. I live in a very dry environment where the weather is very cold outside (Arctic). My apartment has mostly laminate floors with a few area rugs. I do have a cat, but she does not have fleas. (She did, but that was 4 months ago and she was fully treated) The bumps do not look like flea bites as they are not dark red or continually itchy. There is no head on them, no halo, no liquid. Just a random small itchy bump about 1-2mm. I seem to be getting about 1-2 a day. Every time in a different spot, that eventually disappears. What could this be?
Asked On : Sun, 6 Jan 2013
Answers:  1 Views:  2095
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Dermatologist 's  Response

I would be pleased to answer your question .

From what you have described in your history , it looks very much like acute papular urticaria .

most episodes of acute urticaria are self limited within 4-6 weeks of onset of symptoms, it is not imperative to do so. I would recommend taking an anti histamine once or twice a day for 2 weeks +calamine lotion over the affected areas whenever symptoms occur and seeing whether they recur on stopping the medicine after 2 weeks. If they do then restart treatment for another four weeks and then stop and see. If they still recur then you will require some blood tests and will need to see a doctor in person.

Please note that if you have any lip swelling or difficulty in breathing you should see doctor right away.

Hope this information is useful, please feel free to ask if you have any queries.
Please feel free to ask if you have any queries.
Answered: Tue, 8 Jan 2013
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