Common cough suppressants for dogs include ^{1 2}:

1. Maropitant (Cerenia®): Used to give the dog's respiratory tract a break from coughing.
2. Hycodan®: Helps ease the cough and promote healing.
3. Robitussin: Prescribed under certain conditions to treat dry cough in dogs.
4. Balminil DM: Contains dextromethorphan for easing dry coughs.
5. Delsym: Follow your vet's instructions on dosing and administration frequency.