why is MY guinea pig not eating?

A guinea pig refusing to eat is a serious warning sign. Unlike some animals, guinea pigs need to eat constantly to keep their digestive system moving. Even skipping meals for a short time can quickly become dangerous.

Common Reasons Your Guinea Pig May Stop Eating
​

• Dental problems: Their teeth grow continuously, and if they become overgrown or misaligned, chewing becomes painful.

• Vitamin C deficiency (scurvy): Guinea pigs cannot make their own vitamin C, so a poor diet can cause weakness, swollen joints, and loss of appetite.

• Gastrointestinal stasis or digestive upset: Stress, illness, or poor diet can slow the gut, leading to bloating and refusal to eat.

• Respiratory infections: Difficulty breathing or feeling unwell from pneumonia or other infections can reduce appetite.

• Pain or illness: Urinary stones, abscesses, or other internal problems may make eating uncomfortable.

• Stress or environmental changes: Loud noises, new surroundings, or sudden changes in routine can cause them to stop eating.

What You Should Do Immediately

If your guinea pig hasn’t eaten for 12–24 hours, it is an emergency and must bring to the vet. In the meantime, you can:
​

• Offer favorite fresh foods like leafy greens or bell peppers (rich in vitamin C).

• Check teeth and droppings for signs of dental pain or digestive slowdown.

• Encourage hydration with fresh water or wet vegetables.

​

• Keep their environment calm and familiar to reduce stress.

Why This Is Urgent

Guinea pigs are prone to rapid decline if they stop eating. Their digestive system depends on constant fiber intake from hay and vegetables. Without food, gas builds up, bacteria overgrow, and toxins can make them very ill in a short time.