Tuesday, September 15, 2009

Allergies and asthma: They often occur together


You may wonder what allergies and asthma have in common besides a maddening ability to make you miserable. A lot, as it turns out. Allergies and asthma often occur together. In fact, allergic asthma (allergy-induced asthma) is the most common type of asthma in the United States.
If you have both allergies and asthma, the same substances that trigger your allergy symptoms can also inflame your airways, leading to asthma symptoms such as shortness of breath, wheezing and chest tightness.
For many people with asthma, their asthma symptoms are triggered by an allergy to airborne substances such as pollen, dust mites or pet dander. In some people, skin or food allergies can cause asthma symptoms.
James Li, M.D., a Mayo Clinic allergy specialist, answers your questions about the link between allergies and asthma.

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