Heartworms are parasites that infect and damage the heart and lungs of dogs and cats. 

If left untreated,heartworm  disease  can  result in failure of the heart and other organs. They are spread through mosquitoe bites. In the State of Texas, the prevalence of heartworm infection  is  extremely  high.  Many people are unaware that cats can also now contract heartworms,  even indoor cats. Fortunately, heartworm infections are very easy to prevent with an inexpensive once-a-month medication.  A simple, inexpensive blood test annually ensures that your pet is safe and fully protected against this potentially fatal disease.