Levaquin Side Effects: Nothing new. I took Levaquin for 5 days and now I am still suffe http://www.medications.com/effect/view/26398 Nothing new. I took Levaquin for 5 days and now I am still suffering with stiff joints and bad muscle pain. Someone on this site said that magnesium helps the symptoms I am going to try it and see if it helps I will keep you posted. How long ago did you take it? Fri, 18 Jan 2008 11:55:45 -0500 http://www.medications.com/effect/view/26398?item=4158 How long ago did you take it? http://www.medications.com/effect/view/26398?item=4158