Small bowel follow through symptoms and conditions

I was given Levaquin (500mg) for 20 days back in 2004 for what the doctor believed was a sinus infection. In fact, I was actually experiencing an eye infection for prolonged contact use. After two days on the Levaquin, I started feeling really tired. My eyes were extremely heavy and I had a difficult time staying awake. I called the doctor right away, as I tend to be very medication sensitive. I told him what I was feeling and asked if it could be a side effect of the meds. He said he never heard of such a thing and to continue on the antibiotics. I wish I had not listened to him. The fatigue in my eyes continued for months afterward. I also began having abnormal bowel movements, which led to a colonoscopy and small bowel follow-through. All tests came back negative, and my doctors shrugged their shoulders in confusion. They said I had IBS and I would have to live with it. My eye fatigue eventually went away, but the bowel issues continued on and off for over a year. Now, the bowel issues are gone, and the fatigue in my eyes and acute insomnia have replaced them. My doctors continue to shrug their shoulders and now insist that I am suffering from depression. D'uh! Of course I'm depressed. Look at what I'm going through. It has been two years now, and I am really hoping for some relief. I'm convinced that due to the bizarre nature of my problems, those 20 pills of Levaquin in 2004 are to blame for the constant issues I deal with daily. Anyone else suffering like this? And if so, please say it gets better. I need it to get better. I would appreciate anyone who would post updates on their conditions. I know this poison can wreak havoc for years, but I hope there is a light at the end of the tunnel.