Gastrointestinal Parasites in Dogs

What Are Gastrointestinal or GI Parasites in Dogs?

Gastrointestinal, or GI, Parasites in dogs can be a problem. It can lead to digestive upset, weight loss, and poor body condition. However, identifying them and treating them can help provide relief!

GI Parasites are one of the most commonly seen and treated illnesses in dogs at veterinary clinics. They come in a variety of shapes and sizes from the large (macroscopic) to the tiny (microscopic). GI parasites live by feeding on either blood through attachment to the intestines or by stealing nutrients from the foods your dog eats. This can cause a whole slew of symptoms, leading to stress for both the dog and the owner.

The most commonly seen GI Parasites are the roundworm and the tapeworm. Roundworms are most common in puppies, but they can be seen at any time. They appear as large, long, spaghetti-like strands that can appear in either the stool or vomit in large infections.

These worms give some puppies their “pot-bellied” appearance. Tapeworms are a worm transmitted by the flea. They appear as small rice grain-like segments in your dog’s stool, around their anus/rectum and sometimes in the environment. Dogs with large infections may have an adult worm appear dangling from the rectum – a series of the small segments attached together.

Microscopic parasites, such as Giardia or hookworm eggs, are usually only found during a routine fecal exam at the vet. These microscopic parasites work in a similar fashion to their larger cousins and can be picked up from the environment by drinking affected water or walking in areas of contaminated grass. Symptoms of these parasites include vomiting, diarrhea, lethargy, loss of appetite, and weight loss.

 

How Can I Prevent Gastrointestinal (GI) Parasites in My Dog

The annual treatment of parasites, as well as good external parasite treatment, can help prevent GI parasites from taking hold. If you are in an area where fleas are a problem, a monthly topical treatment can prevent fleas as well as tapeworms. Dogs that are outdoors often or in areas where other dogs frequent may also benefit from an annual fecal or preventive dose of a de-worming medication.

Litters of puppies are also usually preventively de-wormed, as they can more quickly spread worms due to their close proximity and curious nature for new things (including stool). Many breeders will give several rounds of a dewormer to each puppy to ensure that any potential parasites do not spread around. Many humane societies will also do the same for all pets that enter the shelter to prevent the spread of parasites.

What Should I Do If I Suspect Gastrointestinal (GI) Parasites

If you suspect a GI Parasite, several things can be done. If you are relatively sure of the type of worm present, there are many over-the-counter treatments available. These include liquids, such as Pyrantel or ivermectin, as well as pills such as praziquantel. Pyrantel and Ivermectin treat most worms except tapeworms, while Praziquantel will treat tapeworms.

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WARNING! NEVER GIVE IVERMECTIN TO DOGS OF COLLIE HERITAGE (including Collies, Border Collies, and related dog breeds). These breeds have a genetic mutation that makes ivermectin toxic to them and can cause severe illness or death!

If you are unsure of the type of parasite present or your dog has more vague symptoms, bringing in a sample of your dog’s stool to your local veterinarian is recommended. Your vet can perform a fecal exam in several ways, looking for both large worms and the microscopic ones. Your vet can then tell you if any parasites are present and provide an appropriate dewormer in the clinic. Or he can help you pick an over-the-counter product instead.

In some cases of severe infections, multiple de-wormings may be needed. Pets may continue to have parasites present after a single treatment and may become re-infected. It may also be normal to see dead or dying worms in the stool after a de-worming treatment due to large infections. However, if symptoms continue or worms still appear after a few days, additional treatment may be needed.

By preventing external parasites, you can help prevent internal parasites! Many external parasites can transmit GI parasites. It would help to prevent fleas and ticks from infesting your dog or bite him will help keep them parasite free!

Natural Remedies For Treating Gastrointestinal (GI) Parasites

One of the best ways of preventing parasites naturally is through diet. A good diet plan can help boost the immune system and help keep parasites from taking hold. Whole foods, natural foods or other healthy diets are all beneficial. Garlic, Tansy, and Wormwood can also be given as a supplement to help expel worms from the body. Chamomile may be beneficial as a natural cleaner and soother of the digestive tract. Hyssop and Parsley have been used as a natural treatment in livestock for worms; however, its efficacy in dogs is unknown.

If you can prevent external parasites naturally, it can indirectly help with GI parasites. Garlic and Echinacea can help  boost the immune system while many mint and menthol-type herbs, such as Peppermint and Eucalyptus, can be used to deter fleas. Food grade diatomaceous earth can also be used both externally and internally to treat certain parasites naturally.

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