Side Effects of Pyrantel Pamoate for Dogs

A dry cough, swollen belly, diarrhea, vomiting and listlessness can point to worms in dogs.
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Vets administer pyrantel pamoate to kill roundworms and hookworms in dogs. These parasites enter the digestive system of a puppy through nursing; older dogs acquire the worms by ingesting contaminated feces or tainted soil. Pyrantel pamoate, an orally dosed liquid, paralyzes worms that the dog then excretes. Vets consider the drug safe, even administering it to lactating females. Few side effects result from pyrantel pamoate use.

Potential Side Effects

Puppies automatically receive pyrantel pamoate as a prophylactic. Older dogs take the medication after a fecal test indicates worms. In rare cases, dogs may vomit after a dose of the drug. Dogs who exhibit sensitivities to other medications may also have a problem with pyrantel pamoate. Allergic reactions to the medication look like human allergic reactions and include hives, itching and swelling. Dog owners should not use other wormers in conjunction with pyrantel pamoate. Provide your veterinarian with a list of medication and supplements the dog takes regularly.