Parasites in Dogs

Parasites in dogs.Parasites in dogs.

We all know that dogs are susceptible to parasites of various types. The main types of parasites in dogs we will be discussing in this article are intestinal worms, Lungworm and fleas. At some point during their lives, parasites will infect most dogs are, but they will not infest all dogs. Puppies are especially susceptible to intestinal parasites, and it is essential that your puppy goes to the vets for a thorough check-up, vaccinations and to start a worming, flea and tick regime. Doing this will ensure that your puppy will get the best possible start in life,


How Do Puppies And Dogs Get Infested With Worms?

Worms are so familiar with dogs and puppies because they can become infected in so many places and a variety of ways. Below is a list of how dogs and puppies may become infected in no particular order.

  1. Puppies can become infected through the milk of the mother, which is also known as in utero. It is surprising how many puppies are infected by this method; a mother infested she can pass the worms onto her pups through her lactating milk, in utero.
  2. Dogs and puppies can become infected through worm eggs or larvae in faeces or soil. A dog can ingest eggs or Larvae. It can be from a toy that has been contaminated by another dog. Hookworms can dig into your dog through their skin; this is usually on their paws or under their stomach area.
  3. Your dog can become infected with Tapeworm through ingesting a flea that is carrying the parasite. Is the dog has the infected flea on its fur when it is grooming itself, it may become infected.
  4. Finally, your dog can become infected through eating another dead animal infected by a parasite; This could be a dead rodent, rabbit or even a dead grazing animal.

As you can see, there are numerous different methods of contamination, that means it is easy for a dog to be infected unknowingly.

Symptoms Of A Dog Infected By Worms.

When a dog has an infestation of worms, it may not show any signs. It is often subtle changes or odd behaviour an owner may notice. These changes could be any of the following, or none at all.

  1. Dogs that have an infestation may have a swollen stomach. Dogs of any age can be infested, but, it is more prominent in puppies.
  2. Changes in their faeces, This could be, diarrhoea, bloody or mucoid.
  3. Worms and segments of tapeworms may be seen in the faeces.
  4. Dragging/scooting their bottom along the floor.
  5. Nibble at the base of the tail.
  6. A reduction in energy.
  7. Nutritional deficiencies.

Although there is this extensive list, your dog may show no symptoms or and combination. To confirm a diagnosis, you need to take your dog to your vet who can establish a worm infestation and the type of worms.

Effects Of Dogs Worms On Humans.

Worms that infest dogs can harm humans. Roundworms can cause serious problems when dogs ingest embryonated eggs. (Eggs are embryonated after approximately two weeks of leaving the dog.). There is then a  chance of Toxocara canis, which can cause blindness. Blindness is more likely to happen in children

hookworm can also make humans ill. They are the most common cause of itching and pain in the skin, also known as cutaneous larval migrans. The problem with humans comes from contact with the Larvae. This problem is more prevalent in the tropics and the southern U.S.A/Gulf States.

Treatment Of Worms In Dogs.

Various treatments can be given to treat worms in dogs. Either tablets or drops dispensed onto the skin (at the back of the neck), or both. These can be bought from a pet shop or your vet.

Fleas and Ticks

How Do Dogs get Infested With Fleas And Ticks?


Dogs usually get fleas from other domestic animals, and pets cats or feral cats. The fleas can jump short distances from one Parasite in dogsanimal to another and start a new colony on the host they have newly arrived one. The first sign you are likely to notice that may indicate fleas is that your dog will start to itch and scratch. Fleas, like other parasites, need the host’s blood. Dogs like other hosts can be allergic to the saliva that the parasite injects to cause the blood to stop clotting as they suck it for food. The reaction is they itch; the symptoms can be so severe that a single bite can cause a dog to itch and scratch for several days.


Ticks are picked up from the grass. After a Tick has fed on the host, it will fall off into the grass and undergrowth until another passing host runs through the vegetation brushing against it and the Tick is picked up by the new host, your dog, or you. Tick bites are not readily noticeable on an animal such as dogs when they have fur. You may notice your dog itching and

Parasites in dogs

scratching more than usual in one place. You will need to examine your dog and see if you can see the tick. If the Tick has just been picked up, it will only be visible, or if it has started to feed, it could be up to the size of a pea. Ticks look like a little ball stuck to the skin, don’t be tempted to pick the parasite off. Improper removal can cause the legs to be left in the host, or the parasite will regurgitate its food back into the host.along with its other stomach contents. To remove a tick, you can use a tick remover or visit the vet. There is not just one type of Tick; there are Sheep, Deer and Hedgehog to name but a few all which will happily feed on anything that supplies blood, including Dogs and you.

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Parasites in Dogs

You might be wondering why I an being so intense about Ticks. These parasites are something everyone, especially dog owners and people who walk where ticks are known to frequent, should know about. Ticks carry a disease called Lymes disease. It is a horrible disease that can show the following symptoms in dogs:

  • Fever.
  • Loss of Appetite.
  • Reduced Energy.
  • Lameness (Maybe Intermittent).
  • Generalised discomfort, pain and stiffness.
  • Swelling of the Joints.

Before these symptoms, if you examine your dog, you may see another sign. It is a mark around the bite that looks like a bull’s eye. The bull’s eye is not always present, but if it is your dog has Lymes disease. If you find a Tick on your dog, the bull’s eye, or any of the symptoms, go to your vet.

Prevention Is Better Than Cure.

There are plenty of medications that can be used to prevent Ticks and Fleas. Most are drops that are used on your dog each month. Some of these also prevent and treat worms. There are also tick collars available that your dog can wear if it is necessary.

I can’t stress the importance of keeping the prevention and treatment of parasites as a priority to keep your dog happy and healthy. As for Ticks, you must monitor your dog and keep their drops and medications up to date. Any signs of Lymes disease visit your vet as soon as possible.

Also, keep an eye on yourself, monitor any bites and look out for a bull’s eye mark.

22 thoughts on “Parasites in dogs.”

  1. Toni says:

    This article was an interesting read. I know people who have dogs as pets and this is definately something I can share with them. 

    I never considered the fact that humans can get ill as well. Thanks for sharing the symptoms so that identification of this issue can be done easier. 

    You are so right, “prevention is better than a cure”.

    1. Nic Castle says:

      Thank you for your comment.

  2. Nuttanee says:

    Thank you for such an informative post on parasite in our dogs. I agree, prevention is always the best solution in my opinion. I think it is important to get the shots from ticks and fleas and have to pay close attention to our dogs behavior, I mean they are not like us that they can talk and let us know. I lost my husky 2 years from lyme disease as well. This is the information that all dog owners should know. 

  3. Jay says:

    This is very top-notch education for me because most of this issues with dogs, I do not know them. I have never owned a dog but my friend owns one and one time when he asked me to help him take the dog to a vet, I just fell in love and also plant to get myself a dog too. A companion that will be with me most of the time.

    1. Nic Castle says:

      Dogs are great companians, Jay. They learn so much from us as they grow and they give so much to us.

  4. Kimberly says:

    Wow! So much new information to take to and learn a lot more. Honestly, it is never easy to know about all these kind of topics especially because they give a better overview of what is wrong with our pets and also tell us what to look out for and how to deal with them on the pets. What you shared here are things that I have once seen around my dog but didn’t really give too much attention but definitely jot anymore

  5. Joy says:

    Hello there! this is an amazing review you have got here. I am sure these quality informations in this post will be of great help to anyone who come across it. In my opinion, I will recommend Pumpkin seeds for treating worms in your dogs as they are extremely effective deworming agent because they contain an amino acid called cucurbitacin.

    1. Nic Castle says:

      Thanks for that joy, I had never heard of pumpkin seeds to treat works. I am all for natural alternatives

  6. Ismeglamour says:

    Hello there, Thanks for sharing this awesome article I know it would be of great help to the public as it been of help to me.There are two main categories of parasites in dogs that pet parents should be aware of… And they are the internal and the external parasite and to say they are both very dangerous, that’s why you must have your dogs checked regularly.

  7. Md. Asraful Islam says:

    Thank you so much for sharing with us a beautiful and informative article. The main content of this article is about Parasites In Dogs. It is truly remarkable that you have presented this topic so well in your article. I have learned a lot by reading your article and gained a lot of knowledge about it. Of the points mentioned in your article, I like Effects Of Dogs Worms On Humans. This type of problem occurred in pet dogs which I had to overcome by subsequent treatment.

    Finally, I enjoyed reading your article and enjoyed it so I’d like to share your article in my Facebook group if you give me permission.

    1. Nic Castle says:

      Please feel free to share the article. It is important people are aware of the impact of parasites, our dogs and our families.

  8. Justin says:

    The health of your let’s matters a lot and some people are really bad at thing about how harmful parasites can be to your pets and that is why we somehow risk the lives of our pets. Personally I hate to treat sickness because you never know how far it may have caused damages and that is why I always pay attention to what my dog eats always. Thanks for the information 

    1. Nic Castle says:

      Cheers justin, diet is so important for our dogs

  9. Ann says:

    This has been a very useful post. I didn’t know that ticks could not (or should not be removed because we could do it improperly and the tick can leave its legs in our dog, or it can regurgitate its food back into our pet.

    I agree with you that prevention is way better. You have given me several things to consider concerning prevention. I admit that because I didn’t know certain things, I was more likely to commit mistakes dealing with parasites. Thank you!

    1. Nic Castle says:

      Hi, Anne, you can remove them yourself, but it has to be done correctly. I have known people burn the tick with a match head. That also causes shock and your dog get a dose of tick stomach contents plus all the nasties it is carrying. They are horrible, we owe it to our dogs to stop them in the first place.

  10. Huy says:

    Great article! I hate dealing with ticks. At one point my back yard had a lot of tall weeds which attracted a lot of ticks and I got so tired of finding them on my dog that I wiped out all the weeds and it really helped out with the tick problem. They are such nasty little critters.

    1. Nic Castle says:

      Thanks, Huy, I agree they are not nice and cause a lot of problems

  11. Terri says:

    This blog gives the reader good information on what to look for on fleas, worms and ticks for their dogs, It also tells how and where they may pick up such pests. I like the list you provide for the information on parasites and worms. Very good information. I didn’t realize that it could be spread to humans. The pictures also gives a person a visual of what to look for. It is good to know how to treat your dog when they get a tick and what to look for. I have heard Lyme disease can be pretty bad.  I have had experience in the past dealing with fleas and found using the monthly drops on the neck worked pretty well. I think it is a good idea to take your dog in for check ups and shots so they can be healthy. They need wellness checks just like people.

    1. Nic Castle says:

      Our dogs deserve their check-ups, jabs etc. It is like feeding your dog if you aren’t going to do it right don’t get a dog in the first place.

  12. Rob Sciubba says:

    Parasites on dogs are obviously something that needs immediate attention.
    If you want your dog to be healthy, then you must keep a close eye on your pet.
    There are also ticks and fleas.
    It’s just that you monitor your dog and know what to look for.
    My sister has three dogs and a lot of experience when it comes to parasites, ticks, and fleas.
    Thanks for some very beneficial information!

  13. Rob S. says:

    Parasites on dogs are obviously something that needs immediate attention.
    If you want your dog to be healthy, then you must keep a close eye on your pet.
    There are also ticks and fleas.
    It’s just that you monitor your dog and know what to look for.
    My sister has three dogs and a lot of experience when it comes to parasites, ticks, and fleas.
    Thanks for some very beneficial information!

    1. Nic Castle says:

      You are right rob. Its a shame many people oversee the importance of checking their dog.

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