There are many reasons why your dog may have loose stools. A common cause is that your dog is not eating enough or not getting enough fluids. When a dog's diet lacks enough water or nutrients, their stools will become thin. Another possible cause is that your dog has a digestive-related illness, such as gastroenteritis or an intestinal parasitic infection. These diseases may cause your dog's stool to contain more water, making the stool thinner.
Another possible reason is that the dog has taken certain drugs, such as antibiotics or anti-inflammatory drugs, which may cause Affects the dog's digestive process, causing the stool to become thinner. If you notice that your dog has loose stools, it's best to contact your veterinarian for diagnosis and treatment. They will help determine the cause of your dog's loose stools and provide an appropriate treatment plan.