The answer to this question depends on what is causing your dog to scratch the carpet. If your dog has a medical condition that is causing them to scratch, then you should take them to the veterinarian for treatment.
If there is no underlying medical condition, then there are a few things that you can do to help stop your dog from scratching the carpet.
One thing that you can do is provide your dog with a scratching post. This will give them a place to scratch that is not the carpet.
You can also try training your dog not to scratch the carpet by using positive reinforcement. When your dog scratches the carpet, say “no” and give them a treat or pet them when they scratch their approved scratching post.