Our pet health articles contain the information that you need to understand this disease and assist you in treatment. If you re sharing your entire photostream, you can create Guest Pass that includes photos marked as friends or family but not your private photos. Feline infectious peritonitis FIP progressive disease of the domestic cat and other Felidae caused by coronavirus. Treatment, as well as non-treatment, is very risky, because there currently no approved product for treating adult heartworms, and the onset of clinical signs is impossible to predict in cats that are left untreated. Granulomatous disease see feline infectious peritonitis below. Wed Mar 11 01:37:18 2009 Jazz win 12th straight Obama backs teacher merit pay Romney seems promising for 2012 Boozer happy to help, not hurt HBO response arrogant Memorial is held for slain teen The race to be. Heartworm Disease FAQs Top What is heartworm disease in cats? Heartworm disease in cats is serious and potentially fatal surviving feline leukemia condition caused by Dirofilaria immitis.