How long do dog worming tablets take to work? Most treatments get to work rapidly, killing intestinal worms starting from around 2 to 6 hours after administering the de-wormer.
How long after deworming a dog are the worms gone?
It can take as little as two hours for the worms to start dying off. However, in most cases, the process starts about 12 hours after administering the dewormer. You may continue to see worms in your pup's poop for about a week. If they had a serious infestation, you may see worms for up to two weeks.
What to expect after deworming a dog?
As with any oral medication, dogs can occasionally vomit shortly after taking the dose. If your pet is a puppy or has a habit of eating food or drinking water too quickly and getting sick, monitor them for vomiting for two to three hours after administering the deworming tablet.
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