Sentinel is a good product. It is Interceptor for heartworms and intestinal worms and Program for fleas. It doesn't kill fleas but makes them unable to reproduce. You could use another flea preventative on top of this or use Interceptor or Heartgard for heartworms and a flea preventative.
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |