Löffler's disease is a transient form of self-limited, benign pulmonary eosinophilia with absent or mild respiratory symptoms (particularly dry cough), fleeting migratory pulmonary opacities, and peripheral blood eosinophilia. The disease usually lasts less than a month.
This is a companion discussion topic for the original article at https://patient.info/doctor/infectious-disease/loffler's-syndrome.htm