The border traverses a variety of terrains, ranging from major urban areas to uninhabitable deserts. Approximately 350 million legal crossings occur annually, and is the most frequently crossed border in the world. The total length of the continental border is 1,954 miles (3,145 km).
Only a veterinarian will know what's wrong with your dog but usually stumbling, wobbling and falling down is associated with neurological problems, especially if there aren't any other signs. I would really take him to the vet as soon as you can.
Working up the vomiting dog is a diagnostic challenge for veterinarians for several reasons, including: 1. The physical exam of a vomiting dog is often totally normal, especially if Fido feels icky because he licked something yucky in the back yard but is otherwise fine. 2.