- Renal insufficiency or failure
- Diabetes mellitus
- Hyperadrenocorticism (Cushing syndrome)
- Lower urinary tract Infection (Lower urinary tract disease)
- Urolithiasis (Lower urinary tract disease)
- Neoplasia (Lower urinary tract disease)
- Anatomic problem (Lower urinary tract disease)
- Neurologic problem (Lower urinary tract disease)
- Pyometra
- Hypercalcemia
- Hypoadrenocorticism (Addison disease)
- Pyelonephritis
- Hypokalemia Iatrogenic (corticosteroids, diuretics,
anticonvulsants)
- Hepatic insufficiency
- Postobstructive
- Diabetes insipidus
- Psychogenic drinking
- Renal
glycosuria