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Intestinal nematodes

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Intestinal nematodes

  1. 1. Intestinal Nematodes Dr N Anand Assistant Professor General Medicine
  2. 2. Intestinal Nematodes Ancylostoma duodenale Necator americanus Strongyloides stercoralis Ascaris lumbricoides Enterobius vermicularis Trichuris trichiura
  3. 3. Hook Worm Ancylostoma duodenale Necator americanus
  4. 4. Abdominal Pain
  5. 5. Anaemia
  6. 6. Malnutrition
  7. 7. Treatment Mebendazole 100mg BD for 3 days or Albendazole 400 mg once or Pyrental Palmoate10mg/kg once
  8. 8. Large Roundworm Ascaris lumbricoides Largest
  9. 9. lifecycle
  10. 10. Eosinophilic Pneumonitis Non-productive Cough
  11. 11. Small bowel obstruction,perforation,volvulus
  12. 12. Investigations Examination of stool for eggs Passage of worms in stool and vomitus USG abd ERCP in hepatobiliary worm infestation
  13. 13. Treatment Mebendazole 100mg BD for 3 days or Albendazole 400 mg once or Pyrental Palmoate10mg/kg once
  14. 14. Strongyloides stercoralis Small Worm
  15. 15. Cutaneous larva currens Intradermal migration of strongyloides Different from cutaneous larva migrans
  16. 16. Heavy infections damage small intestine causing diarrhoea,malabsorption and perforation Disseminated infection in immunocompromised(Strongyloidiasis hyperinfestation syndrome) Treatment Ivermectin 200ug/kg daily for 2 days
  17. 17. PIN /THREAD WORM Enterobius vermicularis
  18. 18. Harmless except for intense anal Itching
  19. 19. Moistened Perianal Swab or cellophane tape to perianal skin followed by Microscopy
  20. 20. Personal Hygiene Family treatment Mebendazole 100mg once or Albendazole 400 mg once or Piperazine 4mg once Repeat the treatment after 2 weeks
  21. 21. Whipworm Trichuris trichiura
  22. 22. Usually asymptomatic Heavy infections can causepain, anorexia, diarrhoea,malnutrition and Rectal Prolapse
  23. 23. Stool Examination Proctoscopy may reveal 3-5 cm long adult worms Treatment • Mebendazole 100mg BD for 3days or • Albendazole 400 mg once for 3 days or
  24. 24. Can Dogs and Cats Get Worms ?

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