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Ascariasis

Ascariasis . Ascariasis . Ascariasis is caused by Ascaris lumbricoides most prevalent helminthiasis. Ingestion the eggs→larve→lungs →ascend the trachea→reswallowed → entering the intestines again →mature and produce eggs →excreted in the stool . Manifestations.

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Ascariasis

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  1. Ascariasis

  2. Ascariasis • Ascariasis is caused by Ascaris lumbricoides • most prevalent helminthiasis

  3. Ingestion the eggs→larve→lungs →ascend the trachea→reswallowed → entering the intestines again →mature and produce eggs →excreted in the stool

  4. Manifestations 1-presence of adult worms in the intestine. abdominal pain , distention Intestinal obstruction 2-migration of the larvae to other sites Pulmonary ascariasis 3- biliary obstruction

  5. Diagnosis • Examination of fresh stool for characteristic eggs is diagnostic.

  6. TREATMENT • Albendazole (400 mg PO once, for all ages) • Mebendasole(100 mg bid PO for 3 days or 500 mg PO once for all ages), or pyrantel pamoate (11 mg/kg PO once, maximum 1 g) • Piperazine citrate(150 mg/kg PO initially, followed by 6 doses of 65 mg/kg at 12 hr intervals PO) • nitazoxanide(100 mg bid PO for 3 days for children 1–3 yrs of age, 200 mg bid PO for 3 days for children 4–11 yr, and 500 mg bid PO for 3 days for adolescents and adults)

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