4 Non-Diet (Medical) Reasons Your Dog Might be Gaining Weight Cause #1: Undiagnosed Hypothyroidism. . Cause #2: Heart Disease and Water Retention. . Cause #3: Prescription Drugs. . Cause #4: Intestinal Parasites. . Not switching Your Dog's Food With Age. . Wrong food for diabetes. . Lack of exercise.
What causes rapid weight gain in dogs?
Like humans, dogs can gain weight for a number of reasons, including poor diet, inadequate exercise, changes in metabolism, and certain types of illness. Although certain breeds are somewhat predisposed to weight gain, any dog can become obese.
What illness makes dogs gain weight?
Chronic illness. Chronic conditions like Cushing's disease (hyperadrenocorticism) or hypothyroidism can also cause weight gain in dogs.
What can cause overweight in dogs?
Causes of Dog Obesity It is most commonly caused by an imbalance between the energy intake and usage—in other words, the dog eats more calories than they can expend. Obesity also becomes more common in old age because of the normal decrease in a dog's ability to exercise, due to arthritis and/or other conditions.
Why is my dog overweight but doesn't eat much?
If your dog is overweight but not eating much, you may want to schedule a vet appointment to have your dog checked for health conditions, including hypothyroidism. Hypothyroidism is when the thyroid, what regulates the body's metabolic rate, is underactive and therefore slows the metabolism.
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