I have had bronchitis for 3 weeks and a cold over a month. Been to the doc, not fever, just virus. I am much better now but I still cough up phelm and have a little hard breathing out. I have taken brycanyl inhalor but get really shaky and nervous from it. Can this heal on its own with out that? I get a coughing fit maybe 2-3 times a day then it's calm and I can breath ok for hrs then it comes back. I am functioning fine otherwise.