Doctor says I have myositis. After 6 days not able to walk, but a lot better. My legs are very sore to the touch. Muscles weak and can't stand in one place 2 minutes, feel as if they will collapse . Trouble climbing steps and getting up from chair. So fatigued cant get dressed , 20 minutes. exhausted and shaking. I'm a Realtor struggling to work, but love to work! prednisone is only med that has helped.