Strongyloidiasis is an infestation caused by a roundworm or a threadworm generally found in tropical and subtropical regions, mainly affecting the small intestine that causes diarrhea and ulceration. Strongyloides stercoralis parasite causes this infection. When an organism lives in the body of another species and depends on this species to obtain nutrients that are essential for its growth is known as a parasite. The infected organism or species is known as the host. These types of parasites live in countries with a warm climate. This infection is commonly found in rural areas and institutional set up like nursing homes. Good personal hygiene practices can prevent infection. Different Ways of Infestation…