Characteristics / First Aid / Health / Poisons / Safety / Senior Chihuahuas / shivering / Ticks and Fleas / vaccinations / Worms & Parasites Why is my chihuahua shivering? Why does my chihuahua shiver? It isn’t uncommon to see a chihuahua shivering. Some chihuahuas shiver all the time and others only occasionally. I don’t think I have ever seen …