Diseases & Conditions


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Toxocariasis


Synonyms of Toxocariasis
  • Human infection with the larvae of canine or feline roundworms
  • Toxocaral Larva Migrans

Disorder Subdivisions

  • Covert Toxocariasis; Asymptomatic Toxocariasis
  • Ocular Larva Migrans (OLM); Ocular Toxocariasis
  • Visceral Larva Migrans (VLM); Visceral Toxocariasis


General Discussion
Toxocariasis is an infectious disease caused by the parasite Toxocara, a worm of dogs and cats. Toxocariasis is not limited to pet owners. The eggs of the parasite are passed in the stool and lie dormant in the soil. For unknown reasons, humans become infected when exposed to the eggs passed only by dogs. Infection occurs when there is purposeful or incidental ingestion of soil from hand to mouth through such activities as biting finger nails or inserting recently contaminated objects such as toys into the mouth. (Consequently, the disorder is found disproportionately among children.) Once ingested, the eggs hatch into larvae and burrow into body tissue of all types. The symptoms experienced depend on the number of eggs ingested and the person?s immune status, yet a single egg has the potential of causing blindness. Everywhere the larvae travel, they cause inflammation and tissue death.

Organizations related to Toxocariasis
  • Centers for Disease Control and Prevention
    1600 Clifton Road NE
    Atlanta GA 30333
    Phone #: 404-639-3534
    800 #: 800-311-3435
    e-mail: http://www.cdc.gov/netinfo.htm
    Home page: http://www.cdc.gov/
  • NIH/National Institute of Allergy and Infectious Diseases
    6610 Rockledge Drive
    Bethesda MD 20892-6612
    Phone #: 301-496-5717
    800 #: --
    e-mail: N/A
    Home page: http://www.niaid.nih.gov/



For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ? (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html