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Treatment for Worms In Dogs And Cats

Worms · Signs & symptoms · Diagnosis · Treatment · Related articles
 
Photo of a young puppy with worms  

Treatment for Worms

Deworming medications (antihelmintics) are used to rid pets of intestinal worms. No single dewormer removes all types of worms, but many deworming products are effective for more than one type. Generally products that are effective against round-shaped worms (rounds, hooks, and whips) are not effective against flat-shaped tapeworms. Several heartworm medications have added ingredients that make them effective against intestinal worms as well as heartworms. Deworming medications are available as tablets, capsules, granules, chewables, liquids, and topicals.

Puppies and kittens are born with worms and should be dewormed early. Waiting until 6-8 weeks of age to worm puppies and kittens allows them to spread worm eggs that will contaminate the soil and re-infect them. The Companion Animal Parasite Council, an independent group that includes parasitologists, veterinarians, pediatricians, and representatives from the U.S. Government Centers for Disease Control made these recommendations:

Puppies: deworm every 2 weeks from 2 weeks of age to 3 months, then deworm monthly until 6 months of age.

Kittens: deworm every 2 weeks from 6 weeks of age to 3 months, then deworm monthly until 6 months of age.

Adopted puppies and kittens: deworm immediately, with at least 2 more treatments at 2 week intervals.

Adult dogs and cats: deworm every 3 months.

Pregnant bitches or queens can be dewormed through pregnancy and during whelping. This decreases the number of worms that can be passed to the young. Unfortunately, deworming medication does not kill hookworms and roundworms that remain hiding (encysted) within the mother’s muscle tissues.

Puppies and kittens started on heartworm medications that contain intestinal wormers do not need to be dewormed every 2 weeks. No heartworm medications are effective against tapeworms, which puppies and kittens get from fleas. Either protect them with anti-flea medications or deworm for tapeworms every 3 months.

 
 

What if the fecal tests are negative? Ordinary fecal tests identify worm eggs. Puppies and kittens should be dewormed regardless of fecal tests because they have worms that have not matured to the point of producing eggs. The fecal tests will be negative, but the puppies and kittens are infected.

Most adults with negative fecal tests should also be dewormed because the Companion Animal Parasite Council says that about 75% of pets with negative fecal tests have worms that are found when the samples are tested at universities and parasitology laboratories.

Why deworm every 2 weeks for puppies and kittens? Some round worms will mature and their eggs will pass into the feces to contaminate the environment if puppies and kittens are dewormed every 3 weeks. Deworming every 2 weeks prevents this. The Companion Animal Parasite Council calls this strategic deworming.

Homes with children, immune-compromised, or elderly individuals

Homes with children, immune-compromised, or elderly individuals should deworm pets to prevent the possibility of zoonotic infection. Zoonotic infections are infections that occur in pets and can be transmitted to people. Roundworms and hookworms from pets cause thousands of zoonotic infections in people in the U.S. every year. These infections cause blindness, illness, and death.

Worming throughout life

Pets are dewormed for tapeworms throughout their lives. When worms live only in the pet’s intestines, such as tapeworms, the pet’s immune system doesn’t register the tapeworm as foreign and doesn’t make antibodies to attack it. Thus pets develop no protection to repeated tapeworm infections. Tapeworms are spread by fleas, and fleas can be controlled with Frontline, Advantage, Sentinel (Rx)and Revolution (Rx).

Roundworms and hookworms are different from tapeworms because they migrate through the pet’s body. During their migration, rounds and hooks stimulate a pet’s immune system to make antibodies to them. Thus, adult pets with mature immune systems may naturally rid themselves of roundworms and hookworms. If pets are exposed to an overwhelming number of roundworms and hookworms, or if their immune systems are not working well, they need deworming for these worms during adulthood.

After successfully deworming your pet, don’t stop being vigilant for signs your pet has been reinfected. Pets can be re-exposed to worms every time they play outside.

Preventing Environmental Contamination and Strategic Worming

Combine deworming with feces cleanup so that pets are not reinfected by worm eggs that survive in the ground. Roundworms and whipworms remain in the soil for years and are not susceptible to commonly used disinfectants, such as bleach and boric acid. However, heat above 100°F kills most worms, so that steam, boiling water, or burning straw will kill them. Immediately picking up feces dramatically reduces environmental contamination.

The Companion Animal Parasite Council developed the concept of strategic deworming, which requires deworming pets before the worms mature and produce eggs that contaminate soil. Strategic worming reduces the possibility of environmental contamination and recommends adult pets receive deworming medications every 3 months.

 

The articles here were answered by a variety of pharmacists and veterinarians
 
Date Category Topic
05/14/06  Antifungal/Antiprotozoal  RINGWORM TREATMENT
05/05/06  Eye Care  DISCHARGE
05/05/06  Allergy  ALLERGY AND HEARTWORMS
05/02/06  Heartworm Medicine  HEARTWORM
05/01/06  Seizure Disorder  YOUR OPINION
04/29/06  Cough  MY DOG HAS TROUBLE SWALLOWING
04/29/06  Wormer  FOOD CHANGE
04/24/06  Cough  COUGHING AND GAGING
04/22/06  Wormer  HOOKWORMS
04/18/06  Heartworm Medicine  HACKING COUGH
04/16/06  Digestive Care  DIARREA
04/12/06  Heartworm Medicine  HEARTWORM TREATMENT
04/03/06  Skin Care  UNKNOWN SKIN PROBLEM
04/02/06  Heartworm Medicine  MY 9YR OLD BLACK LAB
03/28/06  Wormer  DRONTAL PLUS FOR GIARDIA
1 2 3 4 5 »»
 
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  • Weight loss
  • Dull coat
  • Swollen belly
  • worms
  • Anemia
  •  
     
     
  • Over ¾ of fecal exams do not find parasites present in feces
  • Because puppies & kittens are born with worms, they should be dewormed regularly
  • Some worms that infect pets also infect people
  • To prevent human infections, pets in homes with children, immune-compromised individuals, or elderly persons should be deworm at least every 3 months
  • Dogs commonly get hooks, whips, rounds, tapes and heartworms
  • Cats commonly get rounds, hooks, tapes and heartworms, but not whipworms
  •  
     
     
  • Puppies
  • Kittens
  • Cats that catch prey
  • Pets raised on farms
  • Pets raised in yards that have had pets for many years
  •  
     
    Recommended products for Worms
     
  • Tape Worm Tabs
  • Panacur C
  • HomeoPet Worm Clear
  •  
     
     
     
    This information is for educational purposes only and is intended to be a supplement to, and not a substitute for, the expertise and professional judgment of your veterinarian. The information is NOT to be used for diagnosis or treatment of your pet. You should always consult your own veterinarian for specific advice concerning the treatment of your pet.

    The information about medications is not intended to cover all possible uses, directions, precautions, warnings, allergic reactions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for your pet. It is not a substitute for a veterinary exam, and it does not replace the need for services provided by your veterinarian.

    Note: Any trademarks are the property of their respective companies