Nuts

Also known as: peanuts, almonds, walnuts, cashews, pecans, pistachios, macadamia nuts, mixed nuts

Danger (Avoid)

Nuts are dangerous for guinea pigs on multiple levels — they're a choking hazard, they're far too high in fat, and their hard texture can damage teeth and gums. Guinea pigs are sometimes offered peanuts, almonds, or cashews by owners who associate "small animal" with "probably eats nuts like a squirrel." Guinea pigs are not squirrels. They are grass-eating herbivores who should never have nuts.

Quantity

Even a single nut is a choking risk and provides more fat than a guinea pig should consume in an entire day. A few nuts can trigger pancreatitis. There is no safe serving size for nuts in a guinea pig diet.

Notes

The choking risk alone is reason enough to keep nuts away from guinea pigs. But even if a pig successfully chews and swallows a nut, the fat content is a digestive bomb. Peanut butter is equally dangerous — it's thick, sticky, and can coat the throat and palate, making breathing difficult. Trail mix left on a coffee table during floor time is a classic exposure scenario.

Negative Signs

* Choking — pawing at mouth, drooling, labored breathing, gagging
* Diarrhea from fat overload
* Bloated, distended abdomen
* Lethargy and loss of appetite
* Hunched posture and teeth grinding (pain from GI distress)
* Long-term: obesity and liver damage from regular nut feeding

FAQ

Q: Can guinea pigs eat peanut butter?
A: Absolutely not. Peanut butter is high in fat, sticky enough to block their small airways, and nutritionally wrong for them on every level. It's one of the more dangerous "treats" people accidentally offer guinea pigs.

Q: My guinea pig stole an almond during floor time and ate it. Is that an emergency?
A: If they chewed and swallowed it without choking, the immediate danger has passed, but watch for diarrhea and bloating over the next day. One nut isn't likely to be fatal, but their system will struggle with it. Make sure to nut-proof floor time areas going forward.

Alternatives

For a crunchy treat, a small piece of raw carrot, a slice of bell pepper, or a bit of cucumber gives your guinea pig the satisfying crunch without any of the fat, choking risk, or digestive danger.

Risks & Disclaimer

If your guinea pig is choking on a nut (pawing at mouth, unable to breathe normally, gagging), this is an immediate life-threatening emergency. Get to a vet now. If they successfully ate and swallowed a nut, monitor for diarrhea and bloating over the next 12–24 hours.