They can also migrate to the lungs and up the trachea where they are swallowed. The larvae then go through a phase where they mature to the adult worm, bury into the intestinal wall, and begin producing eggs. Symptoms of infection may range from no symptoms to abdominal pain , vomiting and diarrhea . Cough may be present as the migrating larvae pass through the lungs. Heavy infestation of adult worms may damage the intestinal mucosa and cause malabsorption .
Weight loss can occur in heavily infected people.
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