Updated Weekly · 2026

The Complete Guide to Raising a Happy, Healthy Guinea Pig

Expert-vetted care advice from real guinea pig parents. Whether you're choosing your first cavy or troubleshooting a health concern — find trusted answers here.

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Frequently Asked Questions

Full FAQ

Got questions? We've got answers.

From first-time owner basics to health emergencies, these are the questions our readers ask most.

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12Articles
4+Years
50K+Readers
Are guinea pigs good pets for kids?
Guinea pigs can be wonderful pets for older children (8+) who can handle them gently. They are social, hardy, and have predictable temperaments — but they do need daily care and are not "starter" pets that should be left to a child unsupervised. Adult supervision and commitment are essential.
How much does it cost to keep a guinea pig?
Initial setup runs $150–$300 (cage, bedding, food dishes, hideouts). Ongoing monthly costs average $40–$80 including fresh vegetables, hay, pellets, and bedding. Vet care should be budgeted separately — annual checkups cost $50–$100.
Should I get one or two guinea pigs?
Always get at least two. Guinea pigs are highly social animals and a same-sex pair (or a neutered male with a female) is the minimum. Solo guinea pigs frequently develop depression and behavioral issues. They thrive with constant companionship.
What can't guinea pigs eat?
Never feed: chocolate, caffeine, onions, garlic, potatoes, rhubarb, avocado, iceberg lettuce, or any processed human food. Also avoid sugary fruits in large quantities. When in doubt, always check our food safety database before introducing something new.
How often should I clean the cage?
Spot-clean daily (removing soiled bedding and old food) and do a full cage clean weekly. A clean cage prevents bumblefoot, respiratory infections, and unpleasant odors. Soiled fleece should be changed every 3–4 days.
Do guinea pigs need to see a vet?
Yes — find an "exotic" or "small animal" vet before you need one. Guinea pigs hide illness well, so by the time symptoms show they may need urgent care. Annual wellness checks are recommended, plus immediate vet visits for any sign of illness.