have already had ekg and stress test heart is fine. but i am an asthmatic and have urinary urgencies so was give ditropan, as well as prednisone for asthma attack is clear breathing is find but still feel as if something sits on my chest find myself with a lot of muscus and when i swallow seem like i can feel my throat wanting to close was wondering if i could be allergic to ditropan or prednisone