This doesn't looks like a symptoms of RA.
If the finger is turning blue in colour, it means that there is some problem in the circulation, else the uric acid levels are a bit high.
However, uric acid levels manifest in the toes rather than the hand fingers.
Difficulty in breathing can be due to stress related or whether related or some other heart related ailment.
Hence would request you to have a brief consultation with a general physician for further planing of the treatment.
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