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Tapeworms are one of four families of worms (the others being hookworms, roundworms, and whipworms) that commonly infect our pet dogs. A tapeworm infection in an adult dog could cause weight loss, a poor coat condition, and possibly a pot belly, while some adult dogs with the infection show few signs of ill health. However, in puppies a tapeworm infection can be more serious, as there is a risk of the worms knotting together in the intestine and forming a blockage. [1] X Research source Whether the infection is in an adult dog or a puppy, it's important to get the problem treated effectively.
Steps
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Figure out if your dog is at risk for tapeworm. Some dogs are more at risk than others of picking up tapeworms. To become infected the dog needs contact with an "intermediate" host. These intermediate hosts are fleas and vermin, such as mice and rats. [2] X Research source
- If your dog has fleas, there is a good chance it could acquire a tapeworm infection. If it grooms itself and swallows a flea its digestive juices will break down the protective shell of the egg packet and release the eggs into the bowel, where they grow into an adult tapeworms.
- Likewise if the dog is a hunter or scavenger and eats mice or rats, he will ingest tapeworm larvae that have formed cysts within the vermin's body tissue, and when the dog eats the encysted larvae they can go on to become adult tapeworms.
- A dog cannot become infected by contact with the egg packets passed from his own anus, because the egg packets need to pass through the intermediate host to reach the stage where they are infectious to dogs.
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Look for tapeworm eggs. The most obvious sign your dog has tapeworm is if you see the tapeworm eggs packet near the dog's anus or on its bedding. These egg packets can be white, creamy, golden, or gray colored, and vary in size between a cucumber seed and a sesame seed. [3] X Research source
- They are variously described as looking like a small grain of rice or sesame seeds. If the eggs are newly passed, if you look closely you may see them wriggling. If the eggs are older they dry out and then look more like sesame seeds.
- The life cycle of the tapeworm means the adult worm within the dog's gut, releases these egg packets (also called proglottids) intermittently. These then migrate down through the gut and out of the dog's anus, ready to contaminate the environment and be a source of infection for the intermediate hosts (fleas or vermin).
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Pay attention if your dog is dragging its bottom along the ground. This migration irritates the lining of the rectum and anus, making it itchy and causing some dogs to scoot their bottoms along the ground. [4] X Research source However, be aware that scooting can have other reasons beside tapeworm infection, such as full anal sacs or allergic skin conditions. [5] X Trustworthy Source American Kennel Club The American Kennel Club (AKC) is a purebred dog pedigree registry in the United States. The AKC advocates for the responsible ownership of dogs and promotes purebred dog events, such as the Westminster Dog Show. Go to source
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Take your dog to the vet if you suspect tapeworm. Your vet can check for tapeworm infection by examining a fecal sample under a microscope to look for tapeworm eggs. However, it is possible to get false negatives because the adult tapeworm does not shed proglottids (the packet contained eggs) all the time but does so intermittently. [6] X Research source
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Give your dog a deworming medicine. Tapeworms are destroyed by specific deworming preparations containing the active ingredient praziquantel. This drug works by making the outer membrane of the tapeworm leaky, which allows nutrients to leak out and the tapeworm to die. [7] X Trustworthy Source American Kennel Club The American Kennel Club (AKC) is a purebred dog pedigree registry in the United States. The AKC advocates for the responsible ownership of dogs and promotes purebred dog events, such as the Westminster Dog Show. Go to source
- A new drug is now available, Epsiprantel, which has a similar activity to praziquantel, but is not yet in widespread use.
- Praziquantel is effective against all species of tapeworm, which makes it your first choice dewormer. However, a different drug called dichlorophen has limited action and will destroy 2 of the 3 main tapeworm species. Unfortunately the species it doesn't kill is Echinococcus, which under exceptional circumstances can be a risk to human health and is therefore not such a good choice.
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Be aware that not all deworming products contain praziquantel. Always check the packaging to see if they are covered. Look for specific wording on the pack that says the product is effective against tapeworms and check that praziquantel is among the active ingredients. For example, a product such as Panacur contains fenbendazole only, which is not effective against tapeworm. [8] X Research source Plumb's Veterinary Drug Handbook. Donald Plumb. Publisher: Wiley-Blackwell.
- The drawback of praziquantel is that it is not effective against roundworms and other common worms, therefore many deworming tablets are made up of two deworming ingredients. For example, Drontal contains praziquantel and pyrantel, Milbemax contains praziquantel and milbemycin, and Prazitel Plus contains pyrantel, praziquantel, and febantel.
- Also be aware that many common spot-on parasite treatments that are highly effective against other species, do NOT work against tapeworm.
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Give your dog the proper dosage of medication. Tapeworm treatments are most widely available in tablet form. Accurately weigh your dog, if necessary visit a veterinary clinic and weigh the dog on the scale there. Then carefully follow the dosage instruction on the packaging to make sure the dog has the correct dose. [9] X Research source
- Be aware that the medication kills any infection the dog currently has, but the treatment has no lasting effect and therefore does not protect the dog against repeat infection.
- There is also an injectable form of praziquantel, Droncit. This injection can sting and if you have a large dog it will need a relatively large volume of injection, which can be uncomfortable.
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Follow your veterinarian's directions for how long and how often to give tapeworm medication. How often to give your dog a tapeworm treatment is controversial and usually judged on an individual basis. If your dog is in a high risk group, such as a hunting dog or a dog that has regular flea infestations, then monthly tapeworming is advisable. If your dog is at low risk such as an indoor dog that has regular flea treatments then speak to your vet and follow their advice. [10] X Trustworthy Source American Kennel Club The American Kennel Club (AKC) is a purebred dog pedigree registry in the United States. The AKC advocates for the responsible ownership of dogs and promotes purebred dog events, such as the Westminster Dog Show. Go to source
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Prevent future tapeworm infection. [11] X Research source An updated review of ectoparasiticide treatments in dogs and cats. Kunkle. Proceedings of the 7th European Association for Veterinary Pharmacology and Toxicology International Congress. A large part of preventing infection is removing access to the intermediate hosts. This is done through regular monthly treatments with an effective flea product to ensure your dog does not harbor the intermediate host. [12] X Research source
- Also, prevent access to vermin or carcasses so that the dog cannot scavenge and eat the encysted larval forms.
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Expert Q&A
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QuestionCan cat tapeworms infect dogs?Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.Most dog and cat tapeworms are species-specific, meaning dog tapeworms don't survive in cats and vice versa. Also, an intermediate host is required for infection, such as a flea or a mouse, so this causes an additional barrier to infection.
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References
- ↑ https://vcahospitals.com/know-your-pet/tapeworm-infection-in-dogs
- ↑ https://www.petsandparasites.org/dog-owners/tapeworms/
- ↑ https://www.petmd.com/dog/conditions/infectious-parasitic/c_multi_cestodiasis
- ↑ https://vcahospitals.com/know-your-pet/tapeworm-infection-in-dogs
- ↑ https://www.akc.org/expert-advice/health/why-is-my-dog-scooting/
- ↑ https://www.petsandparasites.org/dog-owners/tapeworms/
- ↑ https://www.akc.org/expert-advice/health/tapeworms-in-dogs-symptoms-treatment-and-prevention/
- ↑ Plumb's Veterinary Drug Handbook. Donald Plumb. Publisher: Wiley-Blackwell.
- ↑ https://www.petmd.com/dog/conditions/infectious-parasitic/c_multi_cestodiasis
- ↑ https://www.akc.org/expert-advice/health/tapeworms-in-dogs-symptoms-treatment-and-prevention/
- ↑ An updated review of ectoparasiticide treatments in dogs and cats. Kunkle. Proceedings of the 7th European Association for Veterinary Pharmacology and Toxicology International Congress.
- ↑ https://www.petsandparasites.org/dog-owners/tapeworms/
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To treat tapeworm in dogs, start by taking your dog to the vet to get a proper diagnosis. Next, give your dog a tapeworm treatment medication that contains praziquantel and closely follow your vet’s instructions for how much, how long, and how often to medicate. Make sure that you prevent future tapeworm infections by keeping your dog away from immediate hosts like fleas with regular monthly flea treatments. Additionally, prevent your dog from getting a hold of vermin or carcasses. For more advice from our Veterinarian reviewer, like how to identify tapeworm symptoms, read on!
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