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Hymenolepis Nana Infection

Last updated June 9, 2020

Approved by: Maulik P. Purohit MD, MPH

Hymenolepiasis is an intestinal infection by one of two specific types of the following Hymenolepis species of tapeworm parasite: The Hymenolepis nana (commonly known as the dwarf tapeworm) and the Hymenolepis diminuta (commonly known as the rat tapeworm).


The topic Hymenolepis Nana Infection you are seeking is a synonym, or alternative name, or is closely related to the medical condition Hymenolepiasis.

Quick Summary:

  • Hymenolepiasis is an intestinal infection by one of two specific types of the following Hymenolepis species of tapeworm parasite:
    • The Hymenolepis nana (commonly known as the dwarf tapeworm)
    • And, the Hymenolepis diminuta (commonly known as the rat tapeworm)
  • Like most tapeworms, this species of tapeworm is incapable of digesting nutrients on its own. Thus, it depends on the host to digest the nutrients, so that it can absorb them while staying attached to the intestinal wall of the host/individual
  • Hymenolepiasis infection commonly presents with diarrhea and abdominal pain in the affected individuals. If left untreated, it can result in complications that include severe abdominal symptoms and dehydration
  • A healthcare provider typically diagnoses Hymenolepiasis upon examination of the stool for parasitic material, and may prescribe anthelmintic medication towards treating Hymenolepiasis
  • The prognosis of Hymenolepiasis is generally good, following prescribed treatment. Individuals are known to make a full recovery

Please find comprehensive information on Hymenolepiasis regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis, and additional useful information HERE.

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Reviewed and Approved by a member of the DoveMed Editorial Board
First uploaded: Aug. 21, 2017
Last updated: June 9, 2020