All Puppies Need Deworming

Don’t wait for diagnosis to start deworming uncomfortable dog.


Q. My puppy is 13 weeks old is adapting wonderful to his new surroundings. However, his stool is very loose, and he’s scooting across the floor. His anus appears to be swollen or irritated. Is there something that I can do make him more comfortable?
A. Like all other puppies, your dog needs to be dewormed. Parasites are by far the leading cause of diarrhea in puppies and young dogs. Scooting is a tell-tale sign of intestinal worms.
All puppies should be dewormed with an oral dewormer. These deworming doses should start at 3 weeks of age, and be repeated every two weeks until 16 weeks of age. At that point, all dogs should be started on a monthly heartworm preventative that also prevents roundworms and hookworms.
This deworming plan is now endorsed by most veterinary professionals as being the best way to prevent intestinal parasites in puppies and older dogs. Dogs should receive this monthly dewormer year-round, regardless of where they live.
Submitting a stool sample to your veterinarian would be a way to confirm the diagnosis, but starting a deworming protocol for your puppy should be your first priority.
Roundworms and hookworms are also a health risk to infants, who may inadvertently ingest infective eggs if they are playing on the ground where dogs have defecated. These parasites can survive in the environment for several years, so minimizing their occurrence through regular deworming of dogs is important for dog and human health alike.


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lowell   stuart, Florida

12/4/2013 7:36:19 AM

Why would one deworm an asymptomatic 10 week old pup who is already on Trifexis and has no diarrhea and a negative fecal at 8 weeks ? ? ?

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WendyLu   Smithfield, NC

8/20/2012 9:51:58 PM

It is true, I have a 9 wk old, male Boston Terrier, the owners dewormed him at 6 wks old, right before we got him, and than I took him to a vet to double check at 7 wks old, for it has been 5 days later, Marley still had worms, so the vet dewormed Marley again. Now Marley is about 9 wks old and he still has worms. I think this article is very helpful and maybe the vet mentioned it and I must have forgot. But, I do not recall being told that I had to keep deworming him up to 16 wks. Marley is scheduled for another apt on August 27, but I cannot wait that long, for I want Marley to be done with his worms. Marley is a good dog, learning his house training very well, learning to fetch sticks and he is such a good doggy, Marley is very smart. It is terrible that he has to deal with these terrible things.

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Julie   St Albert, AB

8/6/2010 9:03:45 AM

I just got 2 new puppies (siblings) and when asking the breeder if they had been dewormed I was told no because they don't have worms. She stated that she doesn't deworm them (as it's hard on their little stomach) unless they have worms. They are 8 weeks old and do not show any symptoms of possible worms but when reading this site, it states that all puppies should be dewormed. Is it possible that deworming may not be required?

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Ashley   Boynton Beach, FL

6/12/2010 11:40:03 AM

My puppy is now 15 weeks and neither the breeder nor my vet mention this. She's been having issues with parasites and I've been going back and forth to the vet with no results! All the vet did was give her a shot to get rid of it. However, she's still having symptoms. Now I know why and I'm going to switch vets. Thank you!

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