Question: how long does it take to get rid of worms in dogs?
Answer: Most treatments get to work rapidly, killing intestinal worms starting from around 2 to 6 hours after administering the de-wormer. Will my dog or puppy pass worms after deworming? Different dog wormers act in different ways. Some paralyse and kill the worms; in which case you may see worms in your dog's poop.