asthma, acute
"I escaped seasonal allergies for most of my life, but upon moving from an East Coast metropolis (no seasonal allergies ever) to the Central Valley in California, I've gone through Allegra, Zyrtec, Benedryl, and Claritin, and am currently on a daily dose of Xyzal and Fluticasone Propionate. However, occasionally my allergies are so severe (precipitated in California by the serious wildfires, here in Arizona during dust storms) that my lungs in effect, shut down and constrict.  For those rare occasions, I use the Ventolin (used five times since March 2015) which helps my lungs relax and the "tight" feeling in my chest subsides.  Downside: racing heartbeat occurs for about 5-10 minutes after dosage. Benefits far outweigh the risk/side-effects."