My pom is a male and he is 2 years old. Today he was excited that a family member was visiting and ran to the sofa and put his front paws on it while his back legs supported. He began jumping up and down in excitement and then fell over screaming in pain. His eyes were bulged and he was shaking. He tried to recover but his back legs became paralyzed and his front legs were rigid. We took him to the local vet and the x-rays confirmed that there was no fracture to his back, but the vet was not able to see the discs. He thinks there may a blown disc or compressed disc. He is treating him with a variety of medications including pain killers, muscle relaxers, anti-inflammatory, and antibiotic. He is also keeping his head tilted upward. It has been almost 12 hours and his back legs remain paralyzed and his front legs are still rigid. He will take food and water, but has not urinated or passed a bowel movement. I am so concerned at this point, because the vet was not able to give a diagnosis or definitive answer as to what is happening to my pom. If anyone has any information that could help us at this time, it would be appreciated. We are simply heartbroken that this could happen.