Pinworms are parasites that infect the intestines of animals and people. For dogs, there are a variety of medications that can be used to kill the parasite, and veterinarians may prefer one medicine to another based upon the type of pinworm infection.
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Dichlorvos
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Dichlorvos is a phosphate-based insecticide that kills pinworms by poisoning their stomachs. Dichlorvos can interact with many other medicines, but a dog without any other medical conditions can safely take the drug in pellet, capsule or tab form.
Piperazine
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Piperazine is a liquid pinworm medicine. It is an effective treatment and presents only minor side effects such as nausea, vomiting or muscle tremors.
Panacur Granules
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Panacur granules is a Canadian medicinal treatment. It kills a variety of worms, including pinworms.
Pyrantel Pamoate Suspension
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Pyrantel is a type of medication given to humans for pinworms, and this suspension uses a special formulation of the drug for dogs. It comes in liquid form and can be purchased at pet supply retailers.
Warning
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Never give pinworm medication intended for humans to a dog. Conversely, humans should not take treatments formulated for dogs.
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