Allergic reactions have the power to trigger or bring on asthma. For those who suffer with allergic asthma, inhalation of substances such as pollen, mildew, dust mites, and animal dander sets off the inflammation and swelling of the air passages, leading to symptoms of asthma. The lining of the nose and airways are very similar and are affected in a similar manner by the allergic inflammatory process. It is possible to reduce allergy symptoms by limiting exposure to known allergies.
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