Have you ever heard of airsonett? It is a marvellous device used to clear the breathing zone from allergens. It is revolutionizing the lives of asthma sufferers all over the world. You sleep with the machine on and wake up feeling rested instead of congested. No symptoms all night and none all day either. It is even used in hospitals these days, as a form of treatment. So if your asthma medications aren't doing their job, don't feel miserable, there is hope of a better quality of life, even for you as an asthma sufferer.