Intrinsic asthma: myth or reality?
Asthma is a multifactorial syndrome with different etiologies, both allergic and non-allergic. Response to an allergen may be moderate and may often be shown only by provocation tests, not by skin tests or RAST. Food allergy is a significant cause of asthma. There are many non-allergic causes, from gastro-oesophageal reflux to aspirin-intolerant asthma, to sulphites...the list is far from exhaustive. Often there is an association of allergic and non-allergic causes.
Sabbah
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Laboratoire d'Immuno-Allergologie--CHRU--Angers, France.
Drouet
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D000485:Allergens / Q000276:immunology; D001249:Asthma / Q000139:chemically induced / Q000145:classification / Q000175:diagnosis / Q000209:etiology*; D001250:Asthma, Exercise-Induced; D004342:Drug Hypersensitivity / Q000150:complications; D005512:Food Hypersensitivity / Q000150:complications; D005658:Fungi / Q000276:immunology; D005764:Gastroesophageal Reflux / Q000150:complications; D006241:Haptens / Q000009:adverse effects; D006728:Hormones; D006801:Humans; D007073:Immunoglobulin E / Q000276:immunology; D007239:Infections / Q000150:complications; D013447:Sulfites / Q000009:adverse effects
D000485:Allergens; D006241:Haptens; D006728:Hormones; D013447:Sulfites; D007073:Immunoglobulin E