I had one foot swell excessively, started slow and continued to get bigger for a week to where I couldn t wear certain shoes, have rheumatoid arthritis and wasn t sure, top of foot, then swelling went down, and now I have a rash across the top of my foot, it s itchy sometimes and feels like a bruise, bruise part is feeling better a week later, but rash is still present, any ideas or if I should see a doctor?