Hypothyroidism is a condition in which the thyroid gland doesn't produce enough hormones. This can lead to weight gain, as well as other symptoms such as lethargy, hair loss, and skin problems.
Cushing's disease is a condition in which the body produces too much of the hormone cortisol. This can also lead to weight gain, as well as other symptoms such as increased thirst and urination, muscle weakness, and panting.
Diabetes is a condition in which the body can't regulate blood sugar levels. This can lead to weight gain, as well as other symptoms such as increased thirst and urination, and blurry vision.
Adrenal gland disease can cause a variety of symptoms, including weight gain, as well as changes in skin and hair coat, and behavioral changes.
Liver disease can also lead to weight gain, as well as other symptoms such as vomiting, diarrhea, and jaundice.
If you are concerned that your dog might be gaining weight for a medical reason, talk to your veterinarian. They can help you diagnose the underlying cause and develop a treatment plan.
Weight gain can be a sign of a medical problem in dogs. If your dog is gaining weight, it is important to talk to your veterinarian to rule out any underlying causes.