Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 9 2 2014 06 15 155 162 EN Meysam Sharifdini Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran AND Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran. Eshrat Beigom Kia Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran AND Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran. Keyhan Ashrafi Dept. of Medical Microbiology, School of Medicine, Gilan University of Medical Sciences, Rasht, Iran. Mostafa Hosseini Department of Biostatistics and Epidemiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. Hossein Mirhendi Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. Mehdi Mohebali Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran AND Center for Research of Endemic Parasites of Iran (CREPI), Tehran University of Medical Sciences, Tehran, Iran. Bahare Kamranrashani Department of Medical Parasitology and Mycology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran. 2015 10 14 Background: Clinical manifestations of Strongyloides stercoralis are variable from asymptomatic to hyperinfection and devastating disseminated infections. Hereby, clinical characteristics of a large series of Iranian strongyloidiasis indigenous cases are described. Methods: The records of people referred to the Helminthological Diagnostic La-boratory of School of Public Health, Tehran University of Medical Sciences and School of Medicine, Gilan University of Medical Sciences, during 2009-2013 were reviewed. For those patients that were infected with S. stercoralis and their clinical manifestations and demographic data were available (70 cases) a checklist was pre-pared and data analyzed. Results: Forty-three patients (61.4%) were male and 27 (38.6%) female. Gastroin-testinal, cutaneous and pulmonary symptoms were present in 71.4%, 25.7%, and 15.7% of patients, respectively. None of them had larva currens eruption. Eosino-philia was the most prevalent reason for suspicious on S. stercoralis, but the mean was lower in elderly patients. Hyperinfection were recorded in 8 patients (11.4%), and 2 cases had disseminated infection. Conclusion: Eosinophilia is common both in asymptomatic and symptomatic cas-es of strongyloidiasis, but the mean tend to lower with increase in age. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/418 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/418/326