I am 61. I was recently prescribed levaquin for an intestinal in...

I am 61. I was recently prescribed levaquin for an intestinal infection. Began having rapid heart beat, trembling, shortness of breath, floaters in my eyes, itching, thick tongue, lips tingling, irritability, sweating, feeling of brain fog. Felt like I was having a panic attack. Stopped taking medicine after 6th day. Now I can hardly move my head. My left shoulder and neck are hurting very badly -- feels like muscle spasms. After reading these posts about levaquin, I'm sure that is the levaquin has caused these problems.