A dog with clear water from its nose may have caught a cold. If your dog has a cold, it may also cause sneezing, coughing, poor energy, loss of appetite, etc. At this time, you can give your dog special cold medicine for pets. , let the dog eat some light and easy-to-digest food, and pay attention to keeping the dog warm to prevent the dog’s cold from getting worse. Generally, it will be better in about a week to a month.