Prevent your children picking up Toxocara

Egg with Toxocara canis While it’s valid to be concrened about your pet with questions like are boston terrier hypoallergenic!? and does getting licked by your dog cause rashes? Then know this owning pets has been proven to have a huge positive impact on the development and wellbeing of children but with pet ownership, comes responsibility

A parasitic worm called Toxocara, commonly found in dogs and cats, can pose a risk to the health of children. It is known to cause vision problems, and has also been linked to the development asthma, allergies and even epilepsy.

Toxocara lives in the guts of cats and dogs and lays eggs which are passed out in the animal’s stools. Regular treatment with an appropriate wormer can help reduce this by keeping worm numbers low. Most people that become infected in the UK do so because they have accidentally eaten the parasite’s infective eggs, although it is also possible to become infected by eating the larval stages of the parasite in undercooked meat.

Children are most at risk of infection. Interestingly, studies have shown that owning a pet does not seem to significantly increase the risk of becoming infected with Toxocara, suggesting that most people become infected from parasite eggs that are present in the environment.

Toxocara eggs are not immediately infective after being passed by animals, and take a few weeks to develop. They also remain in situ long after animal waste has been washed away naturally. This means that areas that look clean can actually be contaminated.

ESCCAP offers the following advice for parents, child carers and pet owners to reduce the risk of infection:

–          Encourage children to always wash their hands before they eat and after gardening/playing outside.

–          Discourage children from eating soil/putting muddy hands in their mouth.

–          Cook meat well.

–          Keep childrens’ sand pits covered when not in use

–          Worm cats and dogs at least four times a year with an appropriate wormer (ask your vet for advice)

–          The parasite can transfer to puppies from their mother before they are even born, so make sure puppies and kittens are wormed from a suitably young age (ask your vet for advice)

–          Pick up dog mess quickly (at least within 24 hours) before Toxocara eggs become infective.

–          Fit bells onto collars to discourage pets from hunting, as they can become infected from prey species such as rodents.

–          Restrict pets’ access to raw meat – another source of infection for pets.

More information about Toxocara and other parasites affecting pets can be found at By arming themselves with the facts, parents, child carers and pet owners can help protect children and other vulnerable people from the potentially serious and long term health problems caused by this easily targeted worm.


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