my ankle is very swollen,i had a cortisone injection,he tried to drain fluid, now a couple of days later still very swollen and painful,looks like bruising,i m having pins and needles,it is hot to touch,finding it difficult to walk. i am on methotrexate,humira and salazopyrin for my arthritis.is this just a flare up or is there more damage to the outside of the right ankle?Some of the pins and needles is running up the back of my leg