Hi. I have bronchitis was given Z pack first at a walk in Dr. didnt get better went to my primary told me i have bronchotis gave me levaquin and Prometazine vc plain , I feel a little better but very very tired, still coughing a bit finished medication it has now been almost 2 weeks, Iam concerned about how I feel very tired no energy if I do to much I get exhausted and slightly out of breath. do I need to return to doctor. I dont want to overreact.