I have seen alot of posts about small finger blisters isolated to just one or two fingers. small cluster type blisters when popped produce a clear fluid. they itchy too. I am a paramedic and I have had these blisters for a year. I am pretty sure I didn't aquire these from the job. When I noticed them start to appear I was putting in some seroius time on the water fishing at a lake close by. I mean I was fishing 20 days out of the month. I believe these are a fungus from the water. it seems many other people are discovering these after water contact too. lamisil creme really tones down the outbreaks along with cortizone creme. hope this helps.....