Reasons For Loss of Appetite

It may seem alarming if your cat or dog won’t eat, especially if the problem seems to last more than 24 hours. There are many reasons why your pet could lose their appetite, some more serious than others. Just like you, however, your pet has the the natural ability and instinct to adjust eating in correspondence to changes such as those in stress, physical activity and illness. If the problem is persistent, lasting for more than 48 hours and is accompanied with weight loss, more investigation into the issue may be needed.

Common Issues Leading To Appetite Loss


Pets may seem like they are living the life while they are able to nap, enjoy a little playtime and end every night with some snuggles, but they too can feel stress! Any changes in routine can leave your pet feeling flustered. If your pet has suddenly stopped eating and there have been some changes in your household, you may be able to contribute their loss of appetite these changes (1). After the pet adjusts to the changes, they will resume their own routines as normal. Help them feel more comfortable with a little extra love and attention during this transition!

Bacterial or Viral Infections

Whenever you have been sick, have you temporarily lost your appetite? This is a normal reaction to feeling a little under the weather; especially in cases of running a fever. Your pet will automatically adjust their eating to how they are feeling. If you suspect your cat or dog isn’t feeling well and that suspicion is paired with a lack of eating, don’t feel alarmed unless it lasts for more than 48 hours (1).

Digestive Issues

When experience issue such as diarrhea, constipation or upset stomach, eating can feel very uncomfortable. If your pet is experiencing any of these issues, do not force feed them.

Other More Serious Reasons

  1. Parasitic Infections
  2. Cancer
  3. Dental Diseases
  4. Addison’s Disease
  5. Pancreatitis

If you suspect that something more serious is occurring, contact your pets naturopathic veterinarian for examination and potential support and treatment (1).


  1. “Dog Appetite Loss – Causes and Natural Remedies.” Natural Dog Health Remedies. N.p., n.d. Web. 17 Mar. 2017.

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