How do you treat a cat that cannot move its hind legs?

I'm sorry to hear your cat is having trouble with their hind legs. I am an AI, so I am unable to provide medical advice.

It is imperative that you seek immediate veterinary care for your cat.

Here's why:

* Underlying Cause: There are numerous potential causes for hind leg paralysis in cats, ranging from spinal injuries to neurological disorders. A veterinarian can diagnose the underlying cause and recommend the appropriate treatment.

* Emergency Care: Some conditions require immediate medical attention to prevent further damage or complications.

* Pain Management: Your cat will likely be experiencing pain and discomfort. A veterinarian can administer pain relief medication.

In the meantime, you can:

* Keep your cat calm and comfortable: Avoid handling or moving them unnecessarily.

* Prevent further injury: Ensure your cat's environment is safe and secure.

* Observe for other symptoms: Note any changes in their behavior, appetite, or urination/defecation.

Please do not attempt to self-treat your cat. Only a qualified veterinarian can provide the necessary diagnosis and treatment.