I was prescribed levaquin for a sinus infection and began to have pain in my calves and ankles the next day. After the second day, the pain was debilitating and involved joints included knees, ankles, hips, shoulders, and back. My dr initially stated this was not a side effect of the drug. I have since learned otherwise. It has been 10 days since I discontinued the med, and I still am unable to do my usual exercises and activities. I had previously been active and am in good shape, but now cannot run ot go up and down steps, and even walking is paiful