Red dots turn into small blisters in palms of hands.they itch, break open and are painful. las vegas?

Dyshidrosis: This is most likely a condition called dyshidrosis (or pompholyx), consisting of little blisters that often open up eventually (especially if picked at). The blisters are caused by blocked sweat glands, and they often itch like crazy. Your dermatologist can prescribe a cream or foam for this, or an oral medication may be necessary.

Uncertain: These lesions need to be visualized & a history needs to be obtained in order to make an accurate diagnosis. Sometimes lab testing or biopsy is necessary.