**Abstract**

Toxocariosis is a neglected zoonotic infection caused by the nematodes *Toxocara canis* or *Toxocara cati.* The distribution of the disease is worldwide and mainly affects dogs and cats, and its larval stage can cause human infection with serious repercussions on the health of its hosts. The infection causes a delay in the development, digestive disorders, nonspecific nervous manifestations, and occasionally death of some puppies and kittens associated with hyperparasitosis. In humans, the infection produces clinical syndromes known as *visceral larva migrans* (VLM), *ocular larva migrans* (OLM), neurotoxocariosis and covert toxocariosis. The close contact of people with their pets and the environmental conditions that favor the transmission of this diseased place it within the context of one health. The One Health concept is defined as the collaborative efforts of multiple disciplines (medical personnel, veterinarians, researchers, etc.) that work locally, nationally, and globally to achieve optimal health for people, animals, and the environment, from this perspective, toxocariosis is a study model in which classic and recent knowledge of the medical and veterinary area must be combined for its full understanding, with a goal of establishing integrative criteria for its treatment, control, and prevention.

**Keywords:** *Toxocara*, one health, toxocariosis, zoonosis, visceral larva migrans, ocular larva migrans
