I had the flu in at the end of January. Two weeks later, I became really shaky, dizzy, lightheaded, nauseous, and had headaches, and adrenaline rushes. My doctor said I had a sinus infection, but the amoxicillin did not help. Went to the er they said I had low potassium and a uti. After that was fixed by May. I still feel exhausted, weak, have not a lot phylm comming up with my cough, my nerves feel shot, so my doctor put me on something for a viral infection. I think I am feeling better, but its only been a day. could a viral infection make me this ill??