Levaquin Side Effects: Prescribed 500mg of Levaquin for sinus infection, along w Medrol http://www.medications.com/effect/view/30470 Prescribed 500mg of Levaquin for sinus infection, along w Medrol Pak steroids. Although steroids can cause restlessness, they do NOT cause COMPLETE anxiety, nightmares insomnia and aphasia. I took only 4 pills, 1 each day, and it's like i boarded THE CRAZY Yeah, and I was a healthy 45 yr old man when I wen through the Le Wed, 14 May 2008 18:37:59 -0400 http://www.medications.com/effect/view/30470?item=8286 Yeah, and I was a healthy 45 yr old man when I wen through the Levaquin / Prednisone vortex to hell! That was just the beginning. They tried to tell me it was "steroid psychosis". Then my bicep tendon detached (can't blame that on the steroid).... and o http://www.medications.com/effect/view/30470?item=8286