I am coughing hard non stop like i'm allergic to something. i have chf but have never had a problem. i recently had bronchitis. any ideas what is causing my cough. suppressant do no good. i take an allergy pill and guafinesin and it does little to help. i

See your doctor: Coughing can be a very common symptom of worsening CHF. Certainly it could also be related to your recent bronchitis. I am certain you recognize that a diagnosis cannot be made without a physical exam. In other words not over the internet. Go see your doctor and he/she will treat you to resolve your symptom regardless of the cause.