You may want to try Singulair, helps with seasonal allergies and excercise induced asthma should you happen to have both. Unlike claritin, zyrtec etc. it is not an antihistamine but a leukotriene inhibitor so it really helps with the coughing, bronchial sensitivity etc.
__________________
Ride forever, work whenever.
XX power
Eat more mud, mountain bike 'till you die!
http://www.pnhp.org/