Excessive urination in dogs, also known as "polyuria," can be due to several causes: 1. Urinary Tract Infection (UTI): Commonly causes frequent urination and can be painful. Often accompanied by other signs like straining, discomfort, or blood in the urine. 2. Diabetes: High blood sugar levels cause the kidneys to filter out extra glucose, leading to increased urination. This often pairs with increased thirst and sometimes weight loss. 3. Kidney Disease: If the kidneys aren’t functioning properl