Exercise-induced asthma

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Risk factors

By Mayo Clinic staff

Exercise-induced asthma can occur in people of any age and activity level, but certain people are more likely to be diagnosed with the condition than others. Factors that increase your risk include:

  • Already having asthma triggered by other things
  • Having hay fever or other allergies
  • Having a blood relative, such as a parent or sibling, with asthma
  • Living in a large urban area, especially the inner city, which may increase exposure to air pollution
  • Smoking or exposure to secondhand smoke
  • Exposure to occupational triggers, such as chemicals used in farming and hairdressing, and in paint, steel, plastics and electronics manufacturing
  • Being very overweight (obese)
  • Participating in winter sports, such as figure skating, ice hockey or cross-country skiing
  • Being a child — children are generally more active than adults
References
  1. O'Byrne P. Exercise-induced bronchoconstriction. http://www.uptodate.com/home/index.html. Accessed Sept. 30, 2009.
  2. Expert panel report 3 (EPR-3): Guidelines for the diagnosis and management of asthma. National Institutes of Health. Bethesda, Md. http://www.nhlbi.nih.gov/guidelines/asthma/07_sec3_comp4.pdf. Accessed Sept. 30, 2009.
  3. American Academy of Allergy, Asthma & Immunology work group report: Exercise-induced asthma. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/members/academy_statements/position_statements/exercise_induced.pdf. Accessed Sept. 30, 2009.
  4. McFadden ER. Approach to the patient with exercise-induced airway narrowing. In: Adkinson NF. Middleton's Allergy: Principles and Practice. 7th ed. Philadelphia, Pa.: 2008. http://www.mdconsult.com/das/book/body/163002133-3/0/1806/82.html?tocnode=56311172&fromURL=82.html#4-u1.0-B978-0-323-05659-5..00078-4_2735. Accessed Sept. 30, 2009.

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Nov. 20, 2009

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