Hymenolepiasis
![Lifecycle of H. nana](/Images/godic/202501/19/H_nana_LifeCycle2631.gif")
Hymenolepiasis is infestation by one of two species of tapeworm: Hymenolepis nana or H. diminuta. Alternative names are dwarf tapeworm infection and rat tapeworm infection. The disease is a type of helminthiasis which is classified as a neglected tropical disease.