PETARMOR 6 Count FastCaps for Dogs When used as directed a Single dose of fast caps kills all of the Adult fleas on your dog Safe for use in dogs and puppies 25 pounds of body Weight or greater and 4 weeks of age and older Also safe for use in pregnant or Breeding dogs This easy-to-dose tablet begins working within 30 minutes and offers protection that cant rub or wash off No odor or messy application