That depends upon your circumstances, ageposs other illnesses and what you call severe. You can get steriod injections which will help for one of occasions, like a wedding or exams, Lifestyle changes can help, like keeping a dustfree house, damp wiping yourself down when you get indoors, driving an air conditioned car if poss and generally limiting your exposure. The best place to start ids with your doctor.. does anyone else know of an advice website. As a long time sufferer whose symptoms diminished with age, i'd say that there is no one best solution, and you need to find the best combination of measures for you.