Loeffler's syndrome is seen with all except :

Giardiasis Pulmonary diseases associated with tissue or blood eosinophilia are a heterogenous group of disorders. They are classified as : Loeffler's syndrome It is a benign acute eosinophilic pneumonia of unknown cause characterized by migrating pulmonary infiltrates and minimal clinical manifestations. These are usually secondary to parasites or drugs. Loeffler's syndrome reflects a hypersensitive response to an ingested or inhaled antigen from food, medication or an infectious agent. Causes of Loeffler's syndrome Parasitic infections Ascaris Schistosomiasis Strongyloides Ancyclostomiasis Trichomoniasis Clonorchiasis Visceral larva migrans Tapeworm Paragonimiasis