* We use the retro-hepatic term (back of liver) to preserve the original Dr. Goiz´s nomenclature.

Generalities:

They usually do not cause symptoms; in some cases it can present: Tertiary fever (recurrent and cyclical type of malaria), vomiting laryngeal obstruction.

It causes allergies. This nematode parasite proliferates in the intestines of dogs and cats. In humans, Toxocara infection is called toxocarasis and is more common in children because of contact with pets or taking dirty objects to the mouth. More common that causes disorders in children and immunosuppressed people.