Left untreated, a parasite infestation can lead to grave illness and even death of an animal. (harlingenveterinaryclinic.com)
Even when vomiting is caused by mild illnesses, it may lead to death of the animal if treatment is not begun early enough to prevent severe fluid and nutrient losses. (chai-online.org)
Once established in an organ, additional tumors develop that cause the ultimate death of the animal. (fcrsa.org)