organic dust toxic syndrome

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or·gan·ic dust tox·ic syn·drome

(ODTS) (ōr-gan'ik dŭst tok'sik sin'drōm)
A noninfectious febrile illness associated with chills, malaise, myalgia, dry cough, dyspnea, headache, and nausea that occur after exposure to heavy organic dust; condition shares many clinical features with acute farmer's lung and other forms of hypersensitivity pneumonitis (e.g., presence of increased numbers of neutrophils in bronchoalveolar lavage).

organic dust toxic syndrome



A nonallergenic, noninfectious, respiratory disorder caused by inhalation of organic dusts. The most important sources are cotton dust, which causes byssinosis; grain dust; and exposure to moldy hay, called “farmer's lung.”
See: byssinosis; pneumonitis, hypersensitivity
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