Not for use during diabetic emergencies, including diabetic coma Pets who have stopped eating, are anorexic, vomiting, showing signs of extreme drowsiness or fatigue and / or showing signs of severe ketoacidosis Cats with liver, kidney or thyroid disease or a serious infection, illness or trauma Pregnant and nursing cats Known to be ineffective in cats resistant to insulin therapy Pets known to have had an allergic reaction to glipizide or other sulfa drugs Directions: (texaswestveterinarian.com)
An overdose may cause extreme drowsiness, seizures, coma, respiratory depression, and death. (vetdepot.com)
Others will have the opposite effect and experience extreme drowsiness, which can lead to difficulty breathing. (smartdogowners.com)