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Is fleas on a dog commensalism?

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Anonymous

15y ago
Updated: 8/17/2019

No. Commensalism is a symbiotic relationship where the host is neither harmed nor helped by the guest.

But fleas are harmful to dogs. Fleas cause allergic dermatitis, and the scratching which that leads to can cause infection. They are carriers of several parasites, most notably tapeworm. And in cases of heavy flea infestation, the bites can cause substantial blood loss.

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Wiki User

15y ago

What else can I help you with?