الفهرس 
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Abstract
Introduction: Intestinal parasites and protozoan infections are amongst the most common infections worldwide. These infections are regarded as a serious public health problem, as they cause iron defeciency anaemia, growth retardation in children and other physical and mental health problems Aim of work: To study parasitic infections in relation to growth in school children. Subjects and methods: The study included 201child. History was taken lying stress on symptoms suggesting parasitic infection. Stool examination was done by using direct smear method, formaline ether concentration technique. Trichrome staining Kato smear and modified ZeihlNeelsen staining techniques were also used. Children with perianal itching were selected for scotch tape technique. Results: This study revealed that Entamoeba histolytica was the commonest parasite among urban children.The second was Giardia lamblia cyst. The commonest helminthes were H. nana, S. mansoni among rural children. Conclusion: Entamoeba histolytica and Giardia lamblia were the commonest protozoa detected among the studied children. Hymenolepis nana and Schistosoma mansoni were the commonest helminthes detected. Negative impact was found on height of children infected with S. mansoni and Giardia trophozoite compared to their peers of the same age group. Children infected with E. coli cyst, B. hominis, S. mansoni, and those with undigested food in stool had lower weight for their ages. Recommendation: Regular screening of children in schools for parasitic infections. Wide adoption of schoolbased helminth control programs Health education for children and their parents. Repeated mass chemotherapy for parasitic infections