Doctor can check: Rashes and bumps are hard to describe in words, and harder to visualize. A primary care doctor or a dermatologist can evaluate to see what the blisters might be. One possibility is dyshidrosis or dishydrotic eczema, which causes small itchy firm blisters on the hands and fingers. Another possibility is hand-foot-mouth disease, which is a viral infection which causes rashes plus mouth sores.
Answered 12/9/2013
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