Ive had bad asthma and allergies for about 5 years, and my coughing with flem has just progressed more, and i dont seem to get any relief with inhalers, both daily and for emergency(advair,asthmanex). Also a nebulizer does give me relief, but it makes my throat feel like its closing sometimes after i use it. Is there anything else i can do. Ive taken prednisone to stop inflamation in sinuses but just get temporary relief with awful sideeffects.