Overview Incidence Risk Factors Symptoms mild moderate severe Evaluation mild asthma moderate asthma severe asthma testing peak flow Treatment acute mild attack acute moderate attack acute severe attack chronic mild asthma chronic moderate asthma chronic severe asthma devices hand-held inhaler proper use nebulizer proper use drugs anti-IgE therapy anti-leukotrienes bronchodilators corticosteroids mast cell stabilizer theophylline questions for doctor specialist Home Care first aid inhaler use taking control testing peak flow warning signs Prevention Outlook Complications Underlying Cause common myths trigger factors Anatomy
Facts about asthma:
- About 80 out of every 1,000 people in the US suffer from asthma.
- About 3 out 1,000 people develop asthma each year in the US.
- Asthma is much more common in childhood than in adulthood.
- In children, males are affected more than females.
- In adulthood, females are affected more than males.
Continue to Asthma Risk Factors
PubMed Asthma References
- Chipps BE. Determinants of asthma and its clinical course. Ann Allergy Asthma Immunol. 2004 Oct;93(4):309-15. 
- de Marco R, Locatelli F, Cazzoletti L, Bugiani M, Carosso A, Marinoni A.. Incidence of asthma and mortality in a cohort of young adults: a 7-year prospective study. Respir Res. 2005 Aug 16;6(1):95. 
- Keeley D, McKean M. Asthma and other wheezing disorders of childhood. Clin Evid. 2003 Jun;(9):287-317. 
- Neidell MJ. Air pollution, health, and socio-economic status: the effect of outdoor air quality on childhood asthma. J Health Econ. 2004 Nov;23(6):1209-36. 
- Rees J. ABC of asthma. Prevalence. BMJ. 2005 Aug 20;331(7514):443-5. 
- Vallance G, Thomson NC. Asthma: ten myths debunked. Practitioner. 2004 Nov;248(1664):844-7.