Lactose is a sugar found in all dairy products. It requires a special enzyme named ‘Lactase’ to digest that natural sugar. Unfortunately, some dogs don’t produce that enzyme well enough to digest milk and other dairy products. You need to be very vigilant in discerning whether your dog is lactose intolerant or not.
If your dog happens to be lactose intolerant, there is a very good chance that you will experience the following situations. Being in that situation is going to suck for your dog as well as yourself, hence the title of the article.