We think this is an early sign of low blood sugar. (2ndchance.info)
Signs of low blood sugar include dizziness, confusion, sweating, headaches, and hunger. (pcosnutrition.com)
You do not want to wait until you see signs of low blood sugar — your pet should be evaluated by a veterinarian as soon as you suspect xylitol ingestion. (leesburgvetblog.com)