Why dog trembling? common dog shaking , It is definitely reason for concern when you see your dog shaking and trembling. however, it can be difficult to identify the cause. let's look at the most common. Tremors/shaking dogs - page 1 - pet place, Tremors are rhythmic, to and fro involuntary movements that persist through the waking state. true tremors stop during sleep. there are a variety of causes of tremors. Dog ear infections: symptoms, diagnosis, treatment, , Webmd discusses common signs that might indicate ear infections in dogs..