A., I'm a big believer in natural remedies, but I also like knowing what I'm treating. I've had bloodclots in my left leg (below the calf), and I've had vasculitis in my left ankle (not at the same time). With the vasculitis, I was afraid that it was bloodclots again. Although, it didn't feel like it, "Once bitten, twice shy," I was concerned. Check with your family doctor. If it's nothing, great...If it's something, you'd want to know now. After the vasculitis, long after, I had a hard place about the size of a quarter, below my left calf, and a large harden area where the vasculitis had been. I used castor oil on both, twice a day, it worked. My doctor couldn't figure out what was wrong, but this "old-country-doctor's" remedy was the charm. You didn't say whether the area is warm to the touch which indicates inflammation. Have you tried hot and cold compresses? A poltice of activated charcoal, which you can get in powdered form, draws toxins out. Sorry to be so wordy...I'm praying for you.