How to Deworm a Puppy

All puppies are born with intestinal parasites (worms), so it is important that they begin a deworming regimen fairly early in their lives. This process usually begins at 2 weeks of age and continues until the puppy is 6 months old. After that, it is a matter of observation and maintenance.

Things You'll Need

  • Deworming medication
  • Heartworm-prevention medication


    • 1

      Visit your local vet to get a prescription deworming medication.

    • 2

      Administer the first dose of medication when the puppy is 2 weeks old. Give it the same medication again at 4, 6 and 8 weeks of age.

    • 3

      Administer the medication once per month between the ages of 3 months and 6 months.

    • 4

      Get a heartworm-preventive medication that is also effective against roundworms and hookworms from your vet.

Tips & Warnings

  • Clean up your puppy's poop immediately when deworming, because the worm eggs will come out in the feces and if the puppy plays near it, the puppy will get the worms all over again.
  • There are over-the-counter brands, but prescription-strength medicine is sure to kill any parasite.
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  • Photo Credit naughty dog image by MichMac from

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