If this happens ensure you report this to your vet, ask their advice about when and how best to de-worm your dog. 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.
Does deworming work instantly?
Regardless of what kind of deworming product you use, the treatment will typically begin working within a few hours and your dog will most likely behave as normal.
How do you know if dewormer is working?
Some worms won't be seen as they dissolve inside of dogs, but others become paralyzed by the medication and may be passed out through stool or vomit. Additionally, an improvement in overall health and physical appearance can indicate that your dog's dewormer is working and that worms are leaving her body.
More useful articles on a similar topic 👇
How long does it take to get rid of worms after treatment?How long does it take to get worms out?