This article is a transcript.
What happens is when your body sees these triggers, instead of realizing that they're just benign things like pollen or dust, it thinks it's a pathogen, and it releases a molecule called IgE. And IgE makes your airways go from being big to small. And so this makes it hard for you to breathe and you have coughing and wheezing and shortness of breath.
15 to 20 million Americans suffer from allergic asthma. But thankfully, if you treat your asthma and your allergies with immunotherapy, in general, your allergic asthma attacks will decrease.