Due to lack of glucose usage, blood glucose levels increase, and above a certain level, glucose spills into the urine, causing increased urine production, and consequently, thirst. (hallettvet.com)
Increased water intake along with increased urine production is a warning sign of disease, especially in older cats. (grit.com)
Increased urine production occurs, and many dogs drink an excess of water to compensate. (michigananimalhospital.com)