They also spread disease and can cause serious health problems in companion animals. Many can spread to humans, too. Both external and internal parasites cause a variety of diseases, some of which can put your furry family member’s life in jeopardy. For this reason, parasite prevention is a crucial component of responsible pet parenthood. At SimpleVet Pet Hospital, we’re here to help. We offer parasite prevention in Little Elm and will help you give your canine companion or feline friend a healthy, pest-free life.