Source of Support: None, Conflict of Interest: None
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Eleven patients of tropical eosinophilie had their lung functions studied before and after successful treatment with diethyl carbamazine. There was significant improvement of Forced Vital Capacity (FVC) Forced Expiratory Volume (FEV) and Absolute Eosinophil Count (AEC) within a period of eight weeks providing yet another supportive evidence in favour of filarial etiology in this entity.