I occasionally have painful, itching, and swelling in the web of my fingers. It comes and goes, there is no rash but I can see white spots under the skin and it is hard. There are no growths, lesions or bumps. There is no pain or swelling in the fingers themselves or joints. It normally only affects one web of the fingers and sometime affects both hands. It last only a day or two and happens several times a month. There are no other symptoms. I do own birds, I am not sure of any relation to this but they are carried one the hands often but the nails do not penetrate the skin.