My problem started with my right foot, ankle and leg up to the knee swelled to at least double its normal size, the left one remained normal. Had two ultra sound tests to check for blood clots both were normal. I took two weeks antibiotics and 5 days of a water pill. On the 5th day of that it returned to almost normal but was still visibly swollen compared to the left leg. I gradually began to experience wide spread muscle weakness and pain, as well as joint pain which has continually gotten worse. This started almost 2 months ago.