You can discuss with your vet about giving him drugs that help in respiration. You can help your dog with COPD by providing proper care and treatment for them. If your pet dog suffers from severe symptoms of COPD, then hospitalizing them may be the best solution. If you can identify this condition in its early stages, your dog can get better quickly.  After consulting with your vets, you can give your dogs corticosteroids, and these steroids help reduce inflammation in the lungs and respiratory system. Your main objective should be to ease breathing for your dog.  There are different medications for COPD based on the severity of your dog's condition. Your vet will be the best individual to guide you and your dog through this condition.