trembling

My dog (Westie, 6 years old) went to the vets Thursday for her yearly vaccination (Nobivac) and she was fine but after she was very sleepy which I thought was probably down to the stress, but that night she went to jump on my bed as she has for years and yelped out and started pacing and holding...

My parents dog is a german shepherd/lab cross. He is about 6 years old. He only has 3 legs because he was hit by a car as a puppy but he does just fine on 3 legs! But lately he has been sick.. and I would love any suggestions or ideas etc. My parents want to take him to the vet ASAP but it is...