Dwarf tapeworm

Dwarf tapeworm (Fpiimenolepis nand) is the only human tapeworm that does not uti1i2e an intermediate host. Infection is transmitted directly from person to person, fi nana is only 2—4 cm long, it is of universal distribution in mice and humans in temperate 2ones, where children, especially those in institutions, are most frequently infected. Although an infected person is often symptomless, this tapeworm can cause abdominal discomfort and diarrhea if infection is heavy. 

Hymenolepiasis (Dwarf tapeworm) Hymenolepis nana Praziquantel- or Niclosamide-... 

Praziquantel is the agent of choice against all trema-todes apart from Fasciola hepatica where bithionol is the drug of first choice. It is also an anticestodal agent and, as also niclosamide, is a first choice drug for intestinal tapeworm infestations by Taenia solum (pork tapeworm), Taenia saginata (beef tapeworm), Taenia latum (fish tapeworm) and Hymenolepis nana (dwarf tapeworm) and it is a second choice drug af-... 

Hymenolepis (dwarf tapeworm) Praziquantel Niclosamide, nitazoxanide... 

Most patients treated with niclosamide for H diminuta and Dipylidium caninum infections are cured with a 7-day course of treatment a few require a second course. Praziquantel is superior for Hymenolepis (dwarf tapeworm) infection. Niclosamide is not effective against cysticercosis or hydatid disease. 

Hymenolepis nana (dwarf tapeworm) Praziquantel1 Niclosamide2... 

H. nana, the dwarf tapeworm, is the most common tapeworm parasitizing humans. Infection is more prevalent in tropical than temperate climates and most common among institutionalized children, including those in the southern U.S. Cysticerci develop in the villi of the intestine and then regain access to the intestinal lumen where larvae mature into adults. Praziquantel is effective against H. nana infections relatively high doses usually are required, and therapy may need to be repeated. 

Dwarf tapeworm Hymenoiepis nana). This infection is transmitted directly from one human to another without an intermediate host. Hymenoiepis nana reaches only 3 to 4 cm in length. It is found in temperate zones, and children are most frequently infected. 

Niclosamide (Niclocide) used for beef and fish tapeworms PO 2 g, single dose treatment of dwarf tapeworms PO 2 g/d x 1 wk... 

Fig, 16 a - c. a = Egg of Taenia saginata (cattle tapeworm) b = Egg of Taenia solium (swine tapeworm) c = Egg of Hymenolepis nana (dwarf tapeworm)... 

Dwarf tapeworm Hfmenolepe nana Usually there are no symptoms unless the infestation Is massive. Then, there n v be abdominal pains, nausea, or vomiting. Contamination ol foods with feces from infested mice, rats, and people -all of whom may harbor the parasite for ns cniira life cycle. Sometimes, people pick up the worm eggs from foodboine insects such as gram beetles. Control of rats, mce, and insects, and protection of foods from their contamination. lnfe tatfon Is very common m areas ot ihe world which abound with rats. However, few cases appear in the US... 

Ascaridole, the active principle of the oil, has anthelmintic properties, particularly against roundworms (Ascaris) it is also effective against hookworms and dwarf tapeworms but not large tapeworms. 

Traditional Medicine. Used as an anthelmintic for roundworms, hookworms, and dwarf tapeworms, among others. Leaf, root, and plant of C. ambrosioides have been used in tumors. In China, the fresh root is used to treat articular rheumatism. 

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