How should a caregiver respond to a sudden loss of appetite or refusal to eat in an elderly dog?

• A. Ignore and wait a few weeks to see if it improves.
• B. Offer more treats and switch to human junk food.
• C. Seek veterinary evaluation promptly to identify pain, dental disease, infection, or organ issues.
• D. Double the exercise to stimulate appetite.

Answer: (C)

When a dog stops eating suddenly, especially in older age, it’s a sign that something may be wrong and needs a veterinary check promptly. In senior dogs, appetite changes can be caused by pain from dental disease or mouth sores, arthritis that makes chewing uncomfortable, or infections. They can also reflect more serious systemic problems such as kidney or liver disease, diabetes, or even cancer. A veterinarian can perform a thorough exam and the right tests—like a dental check, blood work, urine analysis, and imaging—to identify the exact cause and start appropriate treatment quickly. Getting answers early often leads to quicker relief and better outcomes.

Avoid simply trying to compensate with more treats or human-style junk food, which doesn’t treat the underlying issue and can worsen health. Doubling the exercise won’t fix the root cause and could lead to dehydration or stress, especially if the dog is actually not feeling well.