Acute bronchitis prognosis Wed, Apr 21, 10 09:49AM by roman Generally, acute bronchitis lasts for a few days or weeks. It begins with dry cough and proceeds to productive cough. Productive cough can continue for several weeks. TAGS: 1. acute bronchitis recovery 2. prevention acute bronchitis 3. signs symptoms acute bronchitis 4. acute bronchitis asthma 5. acute bronchitis diagnosis