How caused is asthma by the environment
Even though I gave up dairy and wheat, they continued to get worse, finally to the point where I had hives and welts from touching my books (a little microscopic mold, I suppose).
From answers to questions about treatment to stories from those asthmx have been through similar experiences, you'll find it here. There is still much to be learned about this, but it is thought that these how caused is asthma by the environment triggers cause dilation of the blood vessels in the lining of the nose, which results in swelling and drainage.
The use of steroids soon after presentation may contribute to reducing the attack for hospital admission, preventing relapse in symptoms, reducing mortality and the need for 2agonist therapy.