How to treat a newborn puppy with diarrhoea It is normal for a new born puppy to pass yellow soft stools due to breastfeeding, but if it passes watery, dilute stools, it means that the puppy’s digestive system has problems. Related Posts:How to treat vomiting and diarrhoea in dogsWhat to do if your puppy has a bit of diarrhoeaWhat to do if your puppy keeps having diarrhoeaHow to feed a newborn puppy without a dog motherHow to break the tail of a newborn puppyWhat to do if your puppy has diarrhoea all the timeEnglish Deutsch Français Español Português 日本語 عربي