I fell about a week or so ago and have a bad bruise below my right kneecap. I went shopping and wore a pair of sandals that weren't the most comfortable. When I got home, my right foot was all bruised and swollen, however, not my left foot. It's still swollen after a few days and my question is: do I need to see a doctor about this? I take Vicodin for the pain from the fall.