Human toxocariasis is a helminthozoonosis due to the migration of Toxocara species larvae through human organism. Humans become infected by ingesting either embryonated eggs from soil (geophagia, pica), dirty hands or raw vegetables, or larvae from undercooked giblets.
What are the symptoms of toxocariasis?
Symptoms of toxocariasisa high temperature.coughing or wheezing.stomach ache.an itchy rash.eye pain or redness.changes to your sight, such as seeing small dots or lines (floaters) or flashes of light.loss of vision (usually in 1 eye)Toxocariasis - NHS
How do humans get toxocariasis?
Adults and children can become infected by accidentally swallowing dirt that has been contaminated with dog or cat feces that contain infectious Toxocara eggs. Although it is rare, people can also become infected from eating undercooked meat containing Toxocara larvae.
What two human diseases are caused by Toxocara?
Other terms sometimes or rarely used include nematode ophthalmitis, toxocaral disease, toxocarose, and covert toxocariasis. This zoonotic, helminthic infection is a rare cause of blindness and may provoke rheumatic, neurologic, or asthmatic symptoms.
How do you test for Toxocara in humans?
A blood test is available that looks for evidence of infection with Toxocara larvae. In addition to the blood test, diagnosis of toxocariasis includes identifying the presence of typical clinical signs of VT or OT and a compatible exposure history.
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