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Trichuris trichiura (whipworm)

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Summary

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Key Points

  • Trichuris trichiura
    • Characteristics
      • Also known as whipworm
      • Type of nematode (roundworm) parasite
    • Transmission
      • Fecal-oral
        • Ingestion of eggs from feces via contaminated hands or soil
        • Seen in tropical climates
        • Associated with poor bathroom hygiene
        • Children are more vulnerable
          • Partial immunity thought to develop with age
    • Presentation: Trichuriasis
      • Most infections asymptomatic
      • Diarrhea
        • Loose stools may contain mucus and blood
      • Eosinophilia
        • Non-specific; seen in many parasitic infections
      • Children may have impaired growth/cognition
        • Unclear evidence; many confounding factors
    • Diagnosis
      • Stool microscopy (O&P)
        • Eggs visualized in stool
    • Treatment
      • Bendazoles
        • Mebendazole and albendazole are first-line
      • Oxantel pamoate and ivermectin are second-line