Allergens and viruses act together to exacerbate asthma

Common allergens and viruses may act together to exacerbate asthma. Green and colleagues (p 763) found that 66% of patients admitted to hospital with asthma were sensitised and exposed to house dust mite or cat or dog allergens compared with patients with stable asthma (37%) and inpatient controls (15%). They suggest that domestic exposure to allergens acts synergistically with viruses in sensitised patients, increasing the risk of hospital admission.
 
(Credit: HARTLEY/REX)
 
(Credit: BURGESS/SPL)



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Relevant Article

Synergism between allergens and viruses and risk of hospital admission with asthma: case-control study
Rosalind M Green, Adnan Custovic, Gwen Sanderson, Jenny Hunter, Sebastian L Johnston, and Ashley Woodcock
BMJ 2002 324: 763. [Abstract] [Full Text] [PDF]




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