The dog will sneeze, shake his head, rub his nose, and have a runny nose. In severe cases, symptoms such as mouth breathing and increased nasal secretions may occur. In some cases, symptoms such as tearing and increased eye secretions may occur.
Care Hacks
Do dogs sneeze?

Dogs can also sneeze. Dogs sneeze when they are irritated by hair or foreign objects in the outside environment. Dogs will also sneeze when they catch a cold and develop symptoms such as coughing. Dogs can also sneeze when they have rhinitis.