No, it is not normal for a senior dog to suddenly lose a lot of weight. This is especially true if your dog looks truly underweight (such as through ribs and vertebrae showing as well as having visible hip bones). While weight loss is a common symptom in aging dogs, it should never be ignored.
Why is my old dog getting so skinny?
Changes in their hormones with age can change the way the body generates energy. This could leave them being naturally leaner. However, when older dogs lose weight, it could also be a symptom of a medical condition they become more prone to when they are older, such as diabetes, heart disease, or dental disease.
Do dogs get skinnier as they age?
Generally seniors will lose or gain a little bit of weight as they age, but weight loss is a significant symptom for many serious diseases that affect older dogs. If your dog exhibits increased thirst, increased appetite, and they lose weight, they could be suffering from diabetes.
Why is my dog so skinny all of a sudden?
Why Is My Dog Getting So Skinny? Weight loss in dogs is the result of a calorie deficit. This may be caused by high energy demands, poor quality food, or a number of health issues. A sudden weight loss can be caused by many different diseases including dental problems, intestinal parasites, diabetes, and cancer.
More useful articles on a similar topic 👇
How can I help my 10 year old dog lose weight?Is it too late to exercise my dog?