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8: Ascaris Lumbricoides Infections
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Published:January 2023
"Ascaris Lumbricoides Infections", Red Book Atlas of Pediatric Infectious Diseases, Tina Q. Tan, MD, FAAP
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Most infections with Ascaris lumbricoides are asymptomatic, although moderate to heavy infections may lead to nonspecific gastrointestinal tract symptoms, malnutrition, and growth delay. During the larval migratory phase, an acute transient pneumonitis (Löffler syndrome) associated with cough, substernal discomfort, shortness of breath, fever, and marked eosinophilia may occur. Acute intestinal obstruction has been associated with heavy infections. Children are prone to this complication because of the small diameter of the intestinal lumen and their propensity to acquire large worm burdens. Heavy worm burdens can also affect nutritional status, intellectual development, cognitive performance, and growth. Worm migration can cause peritonitis secondary...