Deworming Your Dog – Medication And Side Effects

September 19, 2019


If your pooch has internal parasites, he might end up developing more serious health issues like diarrhea, anemia, malnutrition and even heart problems.

Medications provided by your vet will surely kill all of the annoying little fellas from his stomach, but after this process of deworming, your ball of fur may experience some side effects from the medication.


The safest way to deal with worms is to pay a visit to your vet.

He will provide you with all the necessary details you need to know about them and will make sure you get the best anthelmintics possible.

Anthelmintics are type of medication that deal with internal parasites, and most common ones which are available through your vet are: pyrantel pamoate, praziquantel, fenbendazole, ivermectin, milbemycin oxime and selamectin.

Most of these are to be given orally in forms of flavored tablets, others are injected (like selametcin for example), and each target different types of internal parasites, however, some formulations might include more than one to target a multitude of worms.

Side effects

As much as these medications are useful and effective in their task, your pooch will most likely experience some vomiting, lack of appetite and gastrointestinal upset.

Some of the aforementioned medications paralyze the worms and they get detached from your dog’s internal tissues. So, it is quite common to find them in your dog’s stool or vomit.

On the other hand, if a dog is being treated for heartworms, he might be at risk of suffering from thromboembolism. This condition usually occurs when the dead worms cause a blockage in dog’s arteries.

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Andre BeluchisabinaRobertRichard Miner Recent comment authors
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Richard Miner
Richard Miner

If your dog has yellowish colored Diarrhea what can cause it and what can you do to help it??


I noticed my puppy had vomited so I cleaned it up while cleaning up his vomit I had seen numerous and fairly large worms so the next day I went and got the medication after administering the dewormer he became weak can dewormers be fatal


doze of albendazole for 17 months old shistzu pl

Andre Beluchi

Just last night, my wife and I happened to take our dog to the veterinarian hospital due to his sickness. The vet later told us that he ate something bad that was causing him to grow worms within his body. We were told about giving him some pet meds that the hospital later prescribed to us.