What Are The Common Parasites Found On Dogs?

What Are The Common Parasites Found On Dogs

What Are The Common Parasites Found On Dogs? – Parasites in dogs take many forms, but they all have one thing in common: their presence will almost always affect the health or comfort of your pet, sooner or later. They can cause serious illness, from mild irritation to brutal diseases.

What Are Parasites in Dogs?

The Disease Control Center describes a parasite as “an organism that resides on or in a host organism and derives its food from or at the detriment of its host.”

There are two main categories of parasites in dogs :

Internal parasites and external parasites.

External parasites like hookworms, roundworms, and tapeworms exist inside an animal’s body. And spread in different ways, and can affect a variety of organs. New parasites, including fleas and ticks, live on the dog’s body and cause an infestation.

Common parasites in dogs

Common parasites in dogs

Most dogs suffer pain at some point in their lives. Insects such as fleas, ticks, or roundworms cause the pain. While it may be easy for dog owners to find and detect fleas and ticks that is not always the case. And internal parasites may be present in your dog without you knowing it.

Such parasites can be very harmful to animals and can cause serious  diseases. Modern medicines make certain parasites much easier to treat, monitor and to avoid.

Also, certain species are zoonotic, indicating an illness or virus that transfers from animal to human. Each dog owner needs to know about common parasites and how they cause serious health problems.

Symptoms of Parasites in Dogs

Symptoms of Parasites in Dogs

Preventive care and also repeated fecal checks are helpful in detecting the early stages of the infestation. A fecal inspection enables the doctor to identify intestinal parasites by searching in your pet’s feces for microscopic eggs or spores.

External Parasite Symptoms

  • Vomiting
  • Weight loss
  • Loss of appetite
  • Restless behavior
  • Internal Parasite Symptoms
  • Diarrhea, with or without blood or mucus
  • Excessive scratching
  • Excessive chewing
  • Red and inflamed skin

How Do Dogs Get Parasites?

Dogs can contract parasites in many ways. Other infected animals usually attract fleas as well; however, they can also leap through doors and windows and they carry the parasites inside the homes too.

Ticks are in bushes and long grass. Intestinal parasites are usually come into contact when an animal ingests contaminated soil, water, or food into the eggs and spores.

Puppies, either in utero or from feeding, may catch a parasite from their mothers. Dogs may contact tapeworms when they are eating an infected flea. An infected mosquito’s bite can cause an entry of a heartworm .

Want to Know”Are Insects Classified As Animals?


It can bind to both dogs and humans. Ticks cause Lyme disease, spotted fever in the Rocky Mountain, anaplasmosis, babesiosis, bartonellosis, and ehrlichiosis.

Many tick species can also cause tick paralysis that will cause a dog to become paralyzed. It usually starts at the back end and moving up to the head.

This can become dangerous if the breathing is paralyzed. But as soon as we stop the tick , the paralysis will go down.

Ear Mites

An ear mite is a small that invade the ears of dogs, where it breeds, causing sticky black debris and discomfort. Ear mites are extremely contagious, and animals will get it from other infested species through contact.

Your dog can display head shaking, ear scratching and crusty or waxy discharge. Your veterinarian can diagnose ear mites with an exam and look under a microscope at a sample of ear debris. Treatment for ear mites may require one or more frequent visits.


Hookworms are tiny, thin worms less than an inch long. These bowel parasites are common in dogs. There are three hookworm species that affect dogs. Some may affect people too, migrating through the skin.

Whipworms are intestinal parasites fairly common in dogs, and sometimes  in cats. These little worms have a thin front end, like a knife, and a wider back end. They bind to the walls of the large intestine, feeding on blood.

In dogs, roundworms are intestinal parasites. They absorb nutrients from the dog’s food which leads to illness. Infection may occur after eggs shed in the stool or from larvae transmitted during pregnancy or in mother’s milk have been ingested.

Tapeworms are small, ribbon-like parasites that live in the intestines, but there are other types that are most common for dogs. We rarely cause serious illness. These are usually spread by flea consumption, but some species can be transmitted by feeding raw meat.

Heartworm disease is caused by a large, roundworm parasite that lives mostly in the lung and heart blood vessels. The propagation is through mosquitoes. While in the Southern States, heartworm is the most common, it can be seen in every state.

How to Prevent Parasites in Dogs

Ticks are trapped as they fly across brush and long grass. Intestinal parasites are found when an animal ingests infected soil, water, or food into the eggs or spores.

Puppies may develop a parasite from breastfeeding with their mothers. Dogs can contact tapeworms when they are eating an infected flea. The heartworm is contracted through an infected mosquito’s bite.

Diagnosis and Treatment of Parasites in Dogs

Diagnosis and Treatment of Parasites in Dogs

If you suspect your dog is suffering from an internal parasite, the first step will be to help your veterinarian identify the parasite.

There are no single medicines that can treat and prevent all GI parasites and once the veterinarian identifies the parasite.

They will find the most effective treatment for your dog. In most cases, fecal tests will diagnose GI parasites, but not always, which is why some veterinarians prescribe deworming.

Prescribing medication to treat and control infections even if the fecal examination does not prove parasite presence.

Dehydration, anemia, and secondary infections may occur in severe cases of internal and external parasites. And your veterinarian will treat  along with medicines to destroy the parasites.

Related Questions

1.What bugs can be found on dogs?

Bugs that cause diseases in Dogs are Ticks, Mosquitoes, Spiders, Stinging Insects, Ants, Bed Bugs, Fleas, and Fireflies.

2.How do you get rid of parasites in dogs?

Pyrantel pamoate is there for treating roundworms and hookworms. Praziquantel is also available. The veterinarian use it to treat dogs and with the fenbendazole as well.

3.What to do if a dog has parasites?

Your veterinarian can recommend a deworming drug for roundworms, hookworms, and tapeworms. They are oral drugs and available without a prescription.

4.Can dogs die from parasites?

At any point, a dog become infected with an infection. Parasites can affect your dog in many ways. Some parasites can infect people and can transmit diseases.

Does Really Humans get Parasites from DogsOpens in a new tab.

Recent Posts

What Are Parasites in Dogs ?The Disease Control Center describes a parasite as