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Ascariasis/Roundworm Inf
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Ascariasis/Roundworm Inf

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  • 1. Dr. Rajkumar Patil Asstt.Prof., Dept. of Community Medicine, AVMC, Pondicherry Ascariasis/Roundworm Infection
  • 2.
    • Most common helminthic infestation
    • Cosmopolitan
    • Agent
      • Ascaris lumbricoides
      • M-20cm F-30cm
    • Reservoir of infection
    • Man
    • Host
      • Children
      • Host parasite balance
      • Malnutrition
  • 3.
    • Period of communicability
    • Until all the stools are negative for the ascaris eggs
    • Environmental factors
    • Soil transmitted
    • For years eggs can survive under favourable conditions
    • Clay soils and low temperature are favourable
    • Open air defecation
    • Mode of transmission
    • Faeco-oral (food,water,pica)
    • Incubation period
    • 2 months
  • 4. Ascaris lumbricoides life cycle 200,000 eggs/day Embryonated egg larva Stage 2-3: 2-3 weeks, Stage 7-1: 2-3 months
  • 5. Adult female Ascaris worm(1 ft)
  • 6. Ascaris Ascaris in appendix
  • 7. Ascaris
  • 8. Clinical features of ascaris infection
    • Nausea, abdominal pain, cough
    • In severe cases:
    • Intestinal obstruction
  • 9.
    • Prevention and control of ascaris infection
    • 1.Sanitation
    • Prevent soil contact : Do not contact the soil
    • with bare hands in areas where ascariasis is common
    • Use of sanitary latrines
    • Do not use human excreta ,untreated sewage as manure in agriculture
  • 10.
    • 2.Case finding, treatment, deworming
    • once/twice per year preschool and school-age children
    • women of childbearing age
    • 3.Health Eduaction
    • use of saniatry latrine
    • prevention of soil pollution
    • diagnosis and treatment
    • deworming
  • 11. Treatment of ascaris infection Piperazine:75 mg/kg body weight (max. dose 3.5 g) for 2 days <1 yr, kidney or liver disorder <1 yr, kidney or liver disorder <2 yr, pregnancy < 2 yr, pregnancy C/I 10 mg/kg daily for 3 days 50-150 mg single dose 500 mg single dose 400 mg single dose Dose Pyrantel Levamisole Mebendazole Albendazole Drug
  • 12. Albendazole
  • 13. Thank you