Why is my Shih Tzu puppy shaking and unresponsive? Is it a seizure?
Hello, I am sorry to hear about Jill.
Some of the behaviors you are describing do sound similar to a seizure. Seizures can have a spectrum of severity, meaning that not all pets will have paddling like motions of their limbs or other typical signs of a seizure. More subtle jerking and shaking can be consistent with a seizure. Additionally, pets who are having a seizure are not mentally appropriate, meaning that they do not respond to stimuli (name calling, clapping, etc) like normal dogs. Seizures can have many causes. In a younger dog like Jill one possible cause is low blood sugar. I would recommend having Jill evaluated by a veterinarian so that she can be examined and further diagnostics (such as bloodwork) can be considered.
If you are able to I would recommend trying to take a video of one of Jill's episodes. Additionally, until she is evaluated by a veterinarian I would recommend keeping a log of when these events occur and how long they last. Jill should be seen by a veterinarian immediately if these events last longer than 5 minutes, she has multiple events within 24 hours, or she does not normalize between events.
Hope this helps, good luck!
Updated on September 23rd, 2025