i've been prescribed levaquin off and on for about two years, last dose was a couple months ago, told the doctor i was allergic to sulfa drugs so i guess that was my only opp. so during the last two doses for a sinus infection i can't tell you the unbelievable pain in my neck and deltoid area i have tried everything pain pills lotions, neck rubs, nothing works. been off lev. for about a month now and i'm still in that same pain don't know what to do, any advice..........