A day in the life of a person that suffers from an inflammatory disorder can go from 0 to 100 in a span of 60 seconds. Simple contact with a trigger could cause symptoms, which in the worst cases would be fatal.
Inflammation is not necessarily a bad thing; it is the body's natural immune response to something foreign or to tissue damage. But when it is as a result of your immune system attacking your own cells and body tissues, then you have something to worry about.