The term "dwarf tapeworm", scientifically known as Hymenolepis nana, refers to a parasitic worm that infects the human intestines. It is crucial to understand alternative designations for better comprehension and communication regarding this microscopic creature. Synonyms that describe the dwarf tapeworm include H. fraterna and Vampirolepis nana. Moreover, it is sometimes referred to as the "pygmy tapeworm" due to its diminutive size. Although it may be small in stature, the dwarf tapeworm can cause significant health issues and discomfort upon infestation. Familiarizing oneself with these synonyms can assist in recognizing and addressing the presence of this parasite.