[header] How to prevent hookworms in dogs [title] Provide your dog with preventative medicine. [step] Deworming your dog frequently will help to control hookworm infections. Most heartworm medication includes medication that is effective at killing hookworm infections. 
Treating your dog once a month with a deworming medication will keep these pests in check. [substeps] Mother dogs and puppies should also be dewormed frequently.