Pulmonary functions in tropical pulmonary eosinophilia.

Abnormalities in pulmonary functions in a group of ten patients with tropical pulmonary eosinophilia were analysed. Mild obstruction was observed in four, restrictive pattern in three, combined defect in one and two had normal study. Except in one patient in whom mild obstructive defect persisted, functions in all others reverted to normal on treatment with diethylcarbamazine.