For the worm, humans are a dead-end host.<unk>  and Pseudoterranova larvae cannot survive in humans, and eventually die. In some cases, the infection resolves with only symptomatic treatment. In other cases, however, infection can lead to small bowel obstruction, which may require surgery, although treatment with albendazole alone (avoiding surgery) has been reported to be successful. Intestinal perforation (an emergency) is also possible.
Anisakis
Anorchia
Microfilaria
Trichinella
Ascaris
Echinostoma
Trichostrongylus
Amoeba