Heartworm infection in ferrets is usually not detected until cardiac failure occurs. Signs include difficulty breathing, fluid build-up in the abdomen, heart murmur, and loss of appetite. Diagnosis is difficult. X-rays of the chest may be of some help in diagnosis as well as blood testing for heartworm. Treatment is difficult.
Prevention is the key.
Dental abscesses are common. This parasite is found most frequently in immature animals and may cause severe diarrhea and dehydration. The underlying cause is not known, however environmental stress may be a predisposing factor. Helicobacter have been associated with ulcers. Signs include loss of appetite, vomiting, hypersalivation, tooth grinding , and blood in the stool.