However, diarrhea can also be a symptom of a more serious underlying disorder such as allergies, bacterial or viral infections, inflammatory intestinal disease, organ dysfunction, or other systemic illness. (brittonroadveterinaryclinic.com)
Left untreated, dental disease can lead to painful tooth decay as well as systemic illness due to chronic infection. (littlebigcat.com)
This will be done to rule out systemic illnesses such as distemper, diabetes, and liver disease. (wagwalking.com)