National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Filariasis is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
Synonyms Back to top
- Bancroftian Filariasis
- Filarial Elephantiasis
- Filariasis Malayi
- Malayi Tropical Eosinphilia
Disorder Subdivisions Back to top
General Discussion Back to top
Filariasis is an infectious tropical disease caused by any one of several thread-like parasitic round worms. The two species of worms most often associated with this disease are Wuchereria bancrofti and Brugia malayi. The larval form of the parasite transmits the disease to humans by the bite of a mosquito. In the early stages of the infection, the patient characteristically complains of fever, chills, headache and skin lesions. Any one of several antiparasitic agents may be effective in eliminating the worm. However, if the disease is left untreated, obstruction of the lymph flow will cause particular areas of the body especially the legs and external genitals, to swell profoundly. Symptoms are primarily a response to adult worms that cause inflammation. Chronic inflammation may progress to hardening of the lymphatic vessels (fibrosis) and obstruction of the lymph flow.
Resources Back to top
Center for Disease Control and Prevention
1600 Clifton Road NE
Atlanta, GA 30333
International Filariasis Association
London School of Hygiene and Tropical Medicine
Department of Helminthology
London, WC1 E 7HT
NIH/National Institute of Allergy and Infectious Diseases
Office of Communications and Government Relations
6610 Rockledge Drive, MSC 6612
Bethesda, MD 20892-6612
World Health Organization (WHO)
Avenue Appia 20
Geneva 27, 1211
Tel: + 41 22 791 21 11
Fax: + 41 22 791 31 11
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
For a Complete Report Back to top
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email email@example.com
Last Updated: 4/8/2009
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