Abstract
ABSTRACT Tropical eosinophilia is a rare but clinically significant condition caused by an exaggerated immune response to filarial parasites, predominantly Wuchereria bancrofti and Brugia malayi. We present a case of a 19-year-old male who presented with a 2-month history of cough, peripheral eosinophilia, elevated serum immunoglobulin E levels, and diffuse pulmonary infiltrates on imaging. The patient, returning from a tropical region, was diagnosed with tropical eosinophilia based on clinical presentation and laboratory findings. Prompt initiation of diethylcarbamazine therapy and albendazole resulted in the resolution of symptoms and radiographic abnormalities. This case highlights the importance of considering tropical eosinophilia in the differential diagnosis of respiratory symptoms in individuals with a history of travel to endemic regions and underscores the necessity of early diagnosis and treatment to prevent long-term complications.
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