First Case of Nosocomial Nasal Myiasis Caused by Chrysomya bezziana in Kuwait

Myiasis is a parasitic infection of live human and animal tissues caused by the invasion of fly larvae or maggots. Nosocomial myiasis usually occurs in bedridden patients while admitted to the hospital. We report nasal myiasis in a 62-year-old Kuwaiti female hospitalized in an intensive care unit in Ibn Sina Hospital in Kuwait city with cerebellar tumor with hematoma, diabetes mellitus, hypertension, bronchial asthma and end-stage renal disease. On the 10th day of admission, she started passing worms from her; both nostrils were fixed, cleared, and identified as the third instar of Chrysomya bezziana (Diptera: Calliphoridae). The larvae were cleared after five days of treatment using topical ivermectin and manual removal of larvae from the nostrils. Since the presence of larvae was recorded after a stay of at least 10 days in the hospital, therefore, this infestation is considered nosocomial.