Asthma
Extrinsic Asthma
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Extrinsic Asthma
, Allergic Asthma
See Also
Asthma
Intrinsic Asthma
(
Non-allergic asthma
)
Asthma Evaluation
Asthma Management
Asthma Exacerbation
Epidemiology
Much more common in children than adults
Age Onset under 40 years old
Pathophysiology
IgE mediated response to allergens
Immediate
Allergic Reaction
Late-phase
Allergic Reaction
Causes
Indoor allergens (perennial allergens)
House
Dust mite
s (most common extrinsic allergen)
Animal proteins (cat or dog dander)
Mold spores (e.g. Alternaria)
Cockroaches (esp. German Cockroach)
Outdoor allergens (seasonal allergens)
Tree, grass or weed pollens
Mold Spores
Samter's Triad
Aspirin
or
NSAID
sensitivity
Nasal Polyp
s
Asthma
Symptoms
See
Asthma Evaluation
Management
See
Environmental Allergen
See
Asthma Management
See
Asthma Exacerbation
Consider
Immunotherapy
for those with persistent
Allergic Rhinitis
and
Asthma
References
Platts-Mills (2007) Am Fam Physician 76:675-80 [PubMed]
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