Fleas and worms are closely linked as the lifecycle of certain worms that affect our pets involve fleas harbouring worm eggs in their gut. That said, if an animal doesn't have fleas, it doesn't mean it doesn't have worms as not all worm life cycles involve the flea.
Can fleas cause worms?
By swallowing a flea infected with a tapeworm larvae. A dog or cat may swallow a flea while self-grooming. Once the flea is digested by the dog or cat, the larval tapeworm is able to develop into an adult tapeworm.
What worms are associated with fleas?
Dipylidium is tapeworm of cats and dogs. People become infected when they accidentally swallow a flea infected with tapeworm larvae; most reported cases involve children. Dipylidium infection is easily treated in humans and animals.
Do fleas cause worms in dogs?
If your dog is suffering from a flea infestation, they are also at risk of picking up an intestinal worm. Fleas are common transmitters of tapeworms, and if your dog swallows infected fleas when grooming, they could develop tapeworms.
Do worms come from flea eggs?
In pets with flea infestations, the larval fleas hatching in the area consume organic debris, flea dirt (digested blood shed by adult fleas–it looks like pepper) and any tapeworm eggs. The tapeworm egg proceeds to develop inside the flea and by the time the flea is an adult, the tapeworm can infect mammals.
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