Dog coughs are a symptom of another problem, for the most part. While your dog's immune system heals itself, make your dog comfortable with a dog-specific cough suppressant. Visit the vet for a dog cough that won't go away.
Disclaimer: CritterCures is an educational resource, and all information herein is strictly for educational purposes. It is not intended to diagnose, treat, prevent, or cure diseases, nor is it meant to replace the (prescribed) treatment or recommendations of your veterinarian or healthcare provider. Always inform your veterinarian or healthcare provider of any products that your pet are taking, including herbal remedies and supplements.