My kitten was fine, but today its hind legs suddenly went paralyzed and it can’t walk—only the front legs move. What’s going on?

A kitten’s sudden hind-leg paralysis is mainly considered to come from bone injury or nerve damage. First, recall whether the kitten recently fell or was hurt in a way that could damage bone, muscle, or ligaments; this can be diagnosed with an X-ray. Also, spinal or nerve damage in a kitten can cause hind-leg paralysis, which needs a CT scan to diagnose. A physical exam alone can’t give an accurate diagnosis, so take the kitten to a veterinary clinic promptly.