Cough Suppressants For Dogs. The actual treatment for dog coughing will depend on the specific diagnosis but will often be treated with cough suppressants, antibiotics, and on. Dog cough medicine containing dextromethorphan can be purchased from a pharmacy and used when the dog's cough is dry, nonproductive, and not associated with pneumonia.

Butorphanol has been used for. To treat many dog’s health issues and help their furry friends, dog owners and veterinarians sometimes rely on humans medication such as robitussin (dextromethorphan). This information is not a substitute for a vet’s opinion.