Cat Has Roundworm When Is It Safe for Her to Sleep With Me Again?

Photos courtesy of the CDC

Common intestinal parasites found in dogs and cats that may be transmitted to people are — shown higher up in the following order — the hookworm, roundworm and tapeworm.

Larger-than-life visuals of the intestinal parasites featured on the Fauna Planet'due south "Monsters Inside Me" could vest in a horror film despite the bear witness'south educational bent. Where wormy parasites are role of an average workday, a question from those who watch the evidence has emerged:

Do veterinarians and their staff need to exist dewormed regularly?

It'southward a concern veterinary technicians recently shared with their boss, Dr. Amy J. Wolff in St. Peters, Mo.

"I am always chiding and reminding the staff members to keep food out of the lab, and wash their hands. Information technology'southward a busy do and then dejeuner is often taken on the run," Wolff said. In addition to individual practice, Wolff is also the program director of a veterinary technology program at nearby Sanford-Chocolate-brown College.

"Nosotros stress/teach safe working practices, then all my lectures spill over into the clinic where I exercise," Wolff said. "That'due south what prompted the discussion, one of my many long-winded diatribes about contracting parasites and zoonotic diseases. One of the techs asked if I (de)wormed myself, and that got us wondering if others do the same."

Wolff used to take the antiworm medication mebendazole because she worked, volunteered and traveled in areas where she encountered unsanitary conditions and diagnosed parasite carriers. She stopped because she now teaches four out of v work days.

To satisfy her staff'southward marvel, Wolff posed the question to colleagues on the Veterinary Data Network (VIN), an online community for the profession.

While jokes were inevitable — "Do I give myself worms? I hope non"  — some responses were serious, reflecting the veterinary profession'southward occupational exposure to parasites. Some veterinarians said their physicians treat them for worms on a regular basis. Others said they consider deworming after traveling to exotic locales and having gastrointestinal (GI) problems.

Whether traveling or at dwelling house, at that place's no fugitive parasites. Dogs and cats can behave infestations, and those worms are trundled into the dispensary. Exposure to parasites increases when litter boxes are cleaned and dogs are taken out for emptying.

Does this mean veterinarians and their staff demand to be dewormed as a precautionary measure?

"In my stance, no," said Scott Weese, DVM, ACVIM, a co-author of the Ontario Veterinarian Higher Center for Public Health and Zoonoses' website Worms & Germs Web log, which promotes safe pet ownership. "The incidence of GI parasitism in people in developed countries is extremely low, especially in adults. In that location is no evidence that I'm aware of that vets are at any college risk for GI parasitism than the general public. There's no evidence that routine deworming of people in the general public is indicated, and then that would extend to vets."

In nearly cases, a person has to ingest parasite-laden carrion in club to contract worms from an animal. Skilful common sense and hygiene greatly reduces the risk, Weese said.

"The risk is never nothing," Weese said, "but I'm non convinced it's any college for a vet than someone that goes for a walk in the park."

Veterinarians who encounter food animals are nigh at hazard of contracting Cryptosporidium, a protozoan parasite that, dissimilar worms, is non susceptible to antiparasitics, Weese said.

"In small animals, there is potential exposure to a broad range of parasites but limited risk," Weese said. "Most of the loftier-profile ones like roundworms are not immediately infective. Y'all accept to ingest onetime feces where eggs have had a gamble to become infective. The incidence of clinically relevant roundworm infection in adults seems to be very low, again with no indication vets are at higher risk."

Intestinal worms in dogs and cats with the almost zoonotic potential are:

• Roundworms (Toxocara canis and Toxocara cati) resemble spaghetti noodles and can grow from ane to vii inches long.
  
• Hookworms (Ancylostoma caninum and Ancylostoma braziliense) are much smaller than roundworms, usually 5 to fifteen millimeters in length, and are named for their vampire-like teeth that attach to the wall of the small intestine.
  
• Tapeworms (Dipylidium caninum) are long apartment worms, growing six to 24 inches in length, that adhere themselves to the intestines where their egg packets can suspension off, actualization in feces and on the skin and pilus glaze around the anus of animals every bit small white segments resembling grains of rice.

Echinococcus is a less common genus of tapeworm with 2 zoonotic species: E. granulosus (cystic) and E. multilocularis (alveolar). Dogs, cats and humans can contract Echinococcus by ingesting parasite eggs via the fecal-oral route or while consuming vegetation or h2o contaminated with infected feces. Human cases are rare and tin lead to serious medical complications.

Dipylidium caninum, withal, is the most common tapeworms of dogs and cats. To contract this parasite, the host must swallow an infected adult flea containing a cysticercoid, or larval tapeworm. Dr. Kenton Flaig, of Portville, N.Y., knows of at least one instance where this has happened to a pet owner.

"I had a client who picked upward tapes from her dogs who slept in her bed," Flaig said by e-mail to the VIN News Service.

Near of these worms settle in a host'south intestines and crusade GI problems. Transmission oftentimes occurs when a person handles soil or sand that contains aged, contaminated feces, and there's hand-to-oral fissure contact.

Children are most susceptible to worm infestations because they are more than likely to put soiled hands in their mouths or eat before washing. Veterinary professionals need to wear gloves when treatment carrion and launder their easily regularly, public wellness experts advise.

"... Fresh carrion tin contaminate the coat of the pet and ofttimes sticks around long enough to let those eggs incubate into an infective form," Flaig wrote of roundworms. "Infected fleas, flea larvae ... are infective if eaten. Bottom line is that people can and will get exposed to parasites from their pets even if they don't eat well-incubated feces."

For veterinarians who feel the need to have antiparasitics, the question often is whether to apply medications they have in their practices or go to a physician.

The U.S. Centers for Disease Control and Prevention (CDC) takes a dim view of veterinarians treating themselves. Printing Officeholder Candice Burns Hoffman said that according to CDC experts on parasitic zoonoses, veterinarians treating themselves with veterinary medications — for worms or whatever other reason — is inappropriate.

"Treatment for parasitic infections varies with the species of parasite and would be based on parasite-specific diagnosis made by the wellness care provider," Hoffman said. "Infection with zoonotic parasites tin can be prevented by practicing good hygiene and using advisable protective equipment and technique."

Weese offers this advice for anyone in close proximity to animals: "My five meridian tips for avoiding zoonotic parasites are: wash your hands, don't swallow feces, launder your easily, don't consume feces and launder your easily."

Editor'due south Note: This article was amended from its original, which overstated the zoonotic potential of whipworms. The VIN News Service re-edited the slice in consultation with veterinarian parasitologists who suggested several clarifications.

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Source: https://news.vin.com/default.aspx?pid=210&catId=-1&id=5297323

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