No to both questions. You and your dog should have dewormers prescribed by your respective healthcare professionals. Dosing differs between animals and humans. Some of the ingredients in your dog's dewormers have not been evaluated for safety in people.No to both questions. You and your dog should have dewormers prescribed by your respective healthcare professionals. Dosing differs between animals and humans. Some of the ingredients in your dog's dewormers have not been evaluated for safety in people.