Alaska’s refusal to eat and only drink water may be due to picky eating or gastrointestinal discomfort. It is best to take the dog to the pet hospital for examination first to confirm that the dog is not sick; if the dog does not eat because of anorexia, you can Change your dog to a palatable dog food, and then feed it some probiotics to regulate its gastrointestinal tract. You should also let your dog do appropriate exercises to increase its appetite. It is best not to give your dog snacks frequently to avoid being picky eaters.