yesterday a small area of my outer thigh was swollen above my knee. knee is not swollen or painful. swelling extended to entire upper thigh, outside. painful, not red, purple, etc. went to er so misdiganosed. ultra sound, no clots, yeah. discharge sheet said arthralagia, so not. joint is not swollen, painful, etc. just painful still swelling outer thigh. any ideas? leg is not spasming either. just continually swelling and pain. given a perscription for ultram (tramadol) had x ray no fracture, etc, though i already knew this going in. becoming more difficult to stand, put pressure on leg. (right leg with swollen outer thigh) had dvts in past so pleased no clots.