Giardiasis in childhood
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Updated: Aug 14, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
Published on: August 22, 2012
Abstract:
Giardiasis is still regularly encountered in the United States, both as endemic cases from the local community as well as in patients returning from travel abroad. Giardiasis should be suspected in any child with steatorrhea, unexplained chronic diarrhea (especially if associated with growth failure), weight loss, or abdominal pain and bloating. Duodenal aspiration or small intestinal biopsy may be necessary to make a diagnosis because Giardia lamblia are not found by stool examination in 50% of symptomatic individuals. A diagnosis of giardiasis is important because the disease is curable.
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