The reason why a dog’s old leg hurts and whines may be due to the following three reasons: 1. Caused by trauma, which may be caused by the dog’s leg injury and fracture while playing; 2. Caused by arthritis, which may be caused by the dog’s Other reasons such as being too old or being overweight can lead to arthritis; 3. Calcium deficiency may be caused by long-term calcium deficiency in dogs, leading to skeletal dysplasia.

Tip:

When a dog whines with leg pain, the owner should first check whether there is any trauma on the dog’s leg. If there is any injury, the owner should Treat the dog's wound promptly. If there is no external injury, it is recommended to take the dog to the pet hospital for examination and treatment to prevent the dog from getting sick and worsening the condition.