If symptoms such as vomiting, diarrhea, not eating, depression, etc. occur, it may be caused by a decrease in body temperature caused by the disease, and it is very harmful to the puppy. It is recommended to consult a professional pet doctor in time.
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The puppy keeps shaking

If the puppy shows no other symptoms, it may be due to cold or fear. It is recommended to do a good job in caring for the puppy, prepare warm items, and create a warm and comfortable environment.