Sharp prickly pains in my hands?

Recently my hands on the insides have been getting small, sharp, prickly needle like feelings in my hands, but especially my right hand. Following the sharp pains, itchiness will occur, then a moist like feel. I went to the doctor today and she said she was unsure of what it could be but thought dry skin was definitely not helping it. So she prescribed me some creams which I have yet to put on still, but what could this be? It will just randomly come out of nowhere but it hurts, and if I were to touch my other hand or another object, it causes the sharp feelings even more.
 
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