If you own a skinny pig, seeing your hairless guinea pig shake can be alarming. Shaking is not always a sign of illness, but because skinny pigs lack fur and have a higher metabolism, they are more sensitive to temperature changes and stress. Understanding the specific reasons behind the trembling helps you ensure your pet stays healthy and comfortable.

Our editorial team explains the common causes of shaking in skinny pigs, from normal behaviors to health concerns. This guide will help you distinguish between harmless shivers and signs that require veterinary attention.

Temperature Sensitivity and Chills

Skinny pigs lack a fur coat, making them highly vulnerable to drafts and cold environments. Their normal body temperature is similar to other guinea pigs, around 37.2-39.5 degrees Celsius, but they lose heat faster. If your skinny pig is shaking, it may be simply cold. Ensure the ambient temperature stays between 20-24 degrees Celsius and avoid placing the cage near windows or air conditioning vents.

Provide soft, warm bedding like fleece blankets and consider a snuggle-safe heat pad (not electric) for extra warmth. Watch for huddling, burrowing, or seeking heat sources as signs of being cold. Shivering is their way to generate heat, so address temperature first before assuming illness.

Stress and Fear Responses

Skinny pigs are naturally nervous prey animals, and shaking can be a stress response. Loud noises, sudden movements, unfamiliar people, or handling by predators (like cats or dogs) can trigger trembling. Their hairless skin also makes them more vulnerable to perceived threats.

To reduce stress, provide hiding spots like igloos or tunnels in their enclosure. Approach your skinny pig calmly and speak softly. If shaking occurs during handling, place them back in their cage and let them settle. Regular gentle interaction builds trust over time.

Low Blood Sugar (Hypoglycemia)

Hypoglycemia is a serious condition in skinny pigs, often due to insufficient food intake or a diet too low in fiber. Their high metabolic rate means they need constant access to hay and fresh vegetables. Shaking, lethargy, weakness, or disorientation can indicate low blood sugar.

Prevent this by offering unlimited timothy hay and a daily serving of vitamin-C-rich vegetables like bell peppers and leafy greens. Avoid sugary treats. If you suspect hypoglycemia, offer a small amount of sugary water (1 tablespoon water with 1 teaspoon sugar) and contact a veterinarian immediately.

Pain or Illness Indicators

Shaking can signal pain from conditions like dental problems, urinary tract infections, or arthritis. Skinny pigs are stoic, so trembling may be the only early sign. Look for other symptoms like reduced appetite, hunched posture, teeth grinding, or changes in droppings.

Dental issues are common because their teeth grow continuously. Watch for drooling or difficulty eating. Any persistent shaking combined with other symptoms warrants a vet visit. Never attempt to treat pain without professional advice.

Normal Behavior: Excitement or Popcorning

Not all shaking is bad. Skinny pigs sometimes tremble when excited, especially during feeding time or when anticipating interaction. This is often accompanied by ‘popcorning’ , joyful jumps and twitches. The shaking is brief and the pig appears otherwise happy and active.

Learn your pig’s normal demeanor. If the shaking stops when they settle, it’s likely just excitement. However, if trembling is constant or paired with other changes, consider it a potential health issue.