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Parasites, such as worms, ticks, fleas, and mites, are organisms that thrive by feeding off of other creatures. It’s common for dogs to become infected at some point in their lives, but left untreated parasites can cause serious damage
to your pet's health and quality of life. Monitoring your dog for changes in behavior, eating habits or water consumption will help you determine if your dog has parasites.
There are many parasites that can be harmful to your dog’s health. Let’s take a closer look at some of them.
Worms in Dogs
Heartworms
Though they are one of the most dangerous parasites in dogs, heartworms are extremely preventable. They are transmitted by mosquitoes and live in the heart and blood vessels of the lungs. Heartworm infection can affect many different organs of the dog but signs of heart and lung disease are most common.
Roundworms
Roundworms can be contracted in many different ways, frequently from a mother to her unborn puppy. Because there are so many ways for your dog to be infected with roundworms, they are very easy to spread. It is essential to keep your dog’s living area clean and prevent them from eating wild animals.
Hookworms
The name “hookworm” is derived from the hook-like mouth-parts these parasites use to anchor themselves on the lining of the intestinal wall. Puppies should be treated for hookworm at 2,4,6 and 8 weeks of age due to the high rate of hookworm infection in newborn puppies.
Tapeworms
Tapeworms are long, flat worms that attach to your dog’s intestines. Dogs commonly contract tapeworms from fleas, mice and other rodents and segments of the worms are often found in on your dog’s rear or in their feces. Though there are few symptoms associated with tapeworms, it is still important to treat them as soon as possible.
Whipworms
The whipworm is a common intestinal parasite in dogs. The parasites reside in the cecum, where the small intestine and large intestine meet. Whipworms can be difficult to diagnose because there are few signs of infection, so regular checkups are important.
Skin Parasites: Scabies, Ticks, Mites, and Fleas in Dogs
Scabies
Caused by a highly contagious skin parasite, scabies tend to burrow in your dog’s skin which can result in scabs and hair loss. Scabies causes severe itching which can lead to intense and prolonged scratching.
Ticks
They are found in grassy or wooded areas and can attach themselves to you and your pet as you pass by. Although a tick’s bite does not itself pose a direct threat to your dog’s health, it can transmit serious (and sometimes fatal) diseases such as Lyme disease and Rocky Mountain fever.
Ear Mites
Barely visible to the human eye, ear mites live on the surface of ear canal skin. As these microscopic parasites feed in a dog’s ear canal, they cause intense itching. A dog suffering from ear mites may be seen repeatedly scratching at his ears or violently shaking his head. If you see dark flecks resembling coffee grounds in your dog’s ears, these are the mites' droppings.
Fleas
Fleas can make any dog’s life miserable (and their families)! These small, blood-sucking insects like to feed on your dog and live anywhere your dog does. Fleas can quickly cause a long-lasting, major infestation in your home. Not only can flea bites cause discomfort, itchiness and severe skin reactions, they can potentially transmit tapeworms if accidentally ingested by your dog.
Other Internal Parasitic Dog Diseases
Coccidia
These tiny single-celled parasites, usually found in puppies, live in your dog’s intestinal lining. Dogs become infected with by swallowing soil that contains coccidia. Left untreated, the parasites can cause diarrhea, weakness and dehydration.
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