For dogs with severe heartworm disease, treatment may be too harsh on the respiratory system, in that case your veterinarian will determine the best treatment plan for your pet. (shank-animal-hospital.com)
With severe heartworm disease, we can hear abnormal lung sounds, dogs can pass out from the loss of blood to the brain, and they can retain fluids. (pets.webmd.com)
Learn about how severe heartworm disease can be and how important preventative measures really are. (royalcanin.com)