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Dangerous Guinea Pig Food List – Unsafe Foods

Published 8/23/2010 | Updated 4/8/2024
Category: Guinea Pig Diet | HappyCavy

Small guinea pig eating grass

Guinea Pig Dangerous Foods

The below Guinea Pig Dangerous Foods List is a compilation of vegetables, fruits, and herbs that are not safe for guinea pig consumption.



Jump to the Guinea Pig Safe Food List to find out what plants are edible for guinea pigs.

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FOOD / PLANT / FLOWER
Notes
Aconite
Anemone (windflower, tumbleweed)
Autumn crocus
Avodaco
Any kind – Too high in fat.
Baked goods (cakes, cookies)
Beans
Any kind – causes gas/bloating.
Bishop’s Weed (Ammi majus)
May contain toxic levels of nitrates.
Black locust
Buttercup
Caladium
Caster oil plants (castor bean, palma)
Cherry trees (wild and cultivated)
Chiles
Christmas pepper
Clematis (virgin’s bower)
Coconut
Any kind – Too high in fat.
Coffee, soda
High in sugar, caffeine.
Cycads
Daffodil (narcissus, jonquil)
Dairy products
Daphne
Delphinum (larkspur, staggerweed)
Dicerna (bleeding heart, dutchman’s breeches, squirrel corn, turkey corn)
Diffenbachia (dumb cane)
Elephant ear
English ivy
Euphorbia (annual poinsettia, mexican fire plant, fire-on-the-mountain, snow-on-the-mountain)
Four-o’clock
Foxglove
Garland flower
Garlic
Poisonous.
Glory lily (climbing lily, gloriosa)
Golden chain
Goutweed (Aegopodium podagraria)
See Bishop’s Weed
Ground Elder (Aegopodium podagraria)
See Bishop’s Weed
Gyacinth
Hydrangea
Holly
Horseradish
Too pungent.
Hot herbs and spices
Lettuce – Iceberg
Low nutrition, high water content.
Iris
Indian spurge tree (pencil tree, malabartree, pencil cactus, monkey fiddle)
Jack-in-the-pulpit
Jerusalem cherry
Jams, jellies, fruit preservatives
High sugar content.
Jasmine
Juice
High sugar content.
Lantana camera (red sage)
Laurels
Leeks
Foods in the onion family (like leeks)
are not guinea pig safe
Lilac
Lily-of-the-valley
Marsh marigold (cowslip)
Matrimony vine
Mayapple
Meadow saffron
Meat
Mistletoe
Monkshood
Mountain laurel
Mushrooms (amanita muscaria&amanita phalloides)
Poisonous.
Nightshade
Nuts
Any kind – too high in fat.
Oaks
Oleander
Olives (canned)
Pickled or brined vegetables are
NOT safe for guinea pigs
Onions
Green, yellow, and
red onions are not safe
Paprikas
Peppers – hot and chiles
Philodendron
Phytolacca (poke weed, poke berry, ink berry)
Pickled vegetables (dill, pickles, capers, sauer kraut)
Pine needles
Poinciana (bird-of-paradise)
Poison hemlock
Potato and potato tops (leaves)
Pothos
Potatoes
Poisonous if green or sprouted. Yams and sweet potatoes are OK in moderation.
Privet
Pyracantha (firethorn)
Raw beans
Rhododendron (laurels, rose bay, azalea)
Rhubarb
Poisonous.
Rosary pea
Seeds
Choking hazard.
Snowdrop
Snow-in-the-mountain (Aegopodium podagraria)
See Bishop’s Weed
Soda, soda pop
High in sugar, caffeine.
Spring adonis (pheasant’s eye)
Star-of-bethlehem
Strelitzia (bird-of-paradise)
Sweet pea
Taro
Dangerous of eaten unprepared or raw.
Tea
Tomatillo – leaves and stalk
Poisonous.
Tomato – leaves and stalk
Poisonous.
Trumpet flower (chalice vine)
Water hemlock
Wisteria
Yellow oleander (lucky nut, tiger apple, be-still-tree)
Yew

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kara
kara
10 years ago

what would happen if they ate pine neddles

Hammy
Reply to  kara
10 years ago

Pine needles are toxic to guinea pigs. The result of eating them could be anything from debilitating illness to death. If you suspect that guinea pig has eaten pine needles, schedule an appointment with a guinea pig vet ASAP.

Erica Hardison
Erica Hardison
10 years ago

is it ok for guinea pigs to eat baby food?

Sophie Taouk
Sophie Taouk
10 years ago

Are fresh, non canned olives safe to eat?

Hammy
Reply to  Erica Hardison
10 years ago

Without knowing the ingredients, I would safe to say it’s probably not safe for guinea pigs.

Julie Gilmore
Julie Gilmore
10 years ago

I have 4 guinea pigs that love to eat kale. But, this is the second time that I have bought the kale, came home to wash and chop it, and found some little bugs on it. So, I looked up what they were, and it seems like they are aphids. It also said that aphids are on a lot of kale, and sometimes you can’t even see them. It’s gross to think that the pigs and I have been eating buggy kale. But, my question is, if the pigs accidentally eat these aphids, can it make them sick or give them some kind of mites or anything? Can it effect them in any way that would be bad?

Tim Harb
Tim Harb
Reply to  Hammy
10 years ago

I also put a folded pan with the hay in it. I buy grass hay bales so i can change it quite often with a very low price. I just make sure to get it with some green in it and also will mix some green alfalfa in mine. especially since mine are just a few months old.

Hammy
Reply to  Tim Harb
10 years ago

Great idea! Thanks for sharing, Tim!

Bella
Bella
10 years ago

My guinea pig, Rocco, won’t eat unless I put treats in his pellets. I don’t want to give him too many treats, but I also don’t want him to stop eating his pellets! What should I do?

Hammy
Reply to  Bella
10 years ago

Give him only hay and pellets. When he’s hungry for them, he’ll eat them, I’m sure of it.

Guinea pigs are able to live on timothy hay alone, and many Humans think a “timothy hay only diet” is ideal. But to do this, the hay must be high quality.

cara
cara
10 years ago

what happens if my guinea pig eats garlic? -just wondering

chris
chris
10 years ago

my guinea pig somehow managed to grab a chilli pepper (picled) last night now he sounds weezy and not himself this morning can u help

Hammy
Reply to  chris
10 years ago

Unfortunately, there’s not much help we can provide as we’re not licensed veterinarians. So it’s time for a trip to the vet! You can refer to the Guinea Pig Vet Directory to find a guinea pig doc near you: wheek.it/vets.

Felicity Burkett
Felicity Burkett
9 years ago

Can they eat chesse?

Hammy
Reply to  Felicity Burkett
9 years ago

Nope!

Piper
Piper
9 years ago

Can my

Hammy
Reply to  Piper
9 years ago

They shouldn’t “eat” them as food, but they can chew on the tubes to trim their teeth (make sure to remove or carefully cut away each piece with glue!). They shouldn’t have the paper provided to them at all.

Piper
Piper
Reply to  Hammy
9 years ago

Thank You so much!!!!!!!

Piper
Piper
9 years ago

Can/should they chew on dyed/colored wood or not?

Hammy
Reply to  Piper
9 years ago

Yep, as long as it is animal safe, non-toxic dye, and if the wood is guinea pig safe. 🙂

Piper
Piper
Reply to  Hammy
9 years ago

thank you!

jess
jess
9 years ago

They have eaten a couple of leaves of English Ivy, what will happen!?

Hammy
Reply to  jess
9 years ago

I am not entirely sure, as it can cause discomfort, but has a low toxicity level. You should place a call with your vet immediately to get their expert opinion.

Piper
Piper
9 years ago

Some food has corn should i take it out or can i leave it?

Hammy
Reply to  Piper
9 years ago

Take it out. And, in the future, purchase pellets without corn. Local feed stores are a great place to find timothy hay-only pellets for guinea pig adults. To find local feed stores, use a search string like “feed store timothy hat pellets [CITY NAME HERE]“)

Syd
Syd
9 years ago

Our guinea pigs have eaten oak leaves my little sister gave them. Could this kill them?

Hammy
Reply to  Syd
9 years ago

Your guinea pig should be OK, they can tolerate oak tree leaves. But I don’t recommend feeding them oak tree leaves with any kind of frequency.

sadie
sadie
9 years ago

I’ve been giving my guinea pigs pepper since I got them 3 years ago and they’ve been fine? Well one of them, Bert died this morning and I’m really not sure why! My mum found him just on his side and he was gone 🙁 any suggestions on why he died? would he have been in pain? he’s been acting fine until about yesterday when he was being a bit shy and timid, usually he’s right at me for food when I come out to feed him! 🙁 so upset 🙁

Katy
Katy
9 years ago

I have a herb garden, I know cilantro and dill are ok, but would basil (purple and green), sage, or cuban oregano be safe for my pups?

Catherine
Catherine
Reply to  sadie
9 years ago

I had a guinea pig who had a stroke once… Maybe a heart attack or a stroke?

Laura Watson
Laura Watson
9 years ago

hi I have my kids nursery guinea pigs for the weekend it was a last minute thing. but can they eat sprouts, carrot, sugar snaps and green apple? thank you. I’ve had rabbits before but not guinea pigs so bit unsure x

Brianna Taryan Whitford
Brianna Taryan Whitford
Reply to  sadie
9 years ago

Do not feed them peppers all the time!!!!! But once a while every 2 time a week it can cause source so since u feed them it all the time they may die or get sick take them to a vet ♥♡

Brianna Taryan Whitford
Brianna Taryan Whitford
Reply to  cara
9 years ago

It dies

Brianna Taryan Whitford
Brianna Taryan Whitford
Reply to  Syd
9 years ago

No but never feed it to them again

Brandy
Brandy
9 years ago

Ice burg lettuce also causes bloating in guinea pigs

Brandy
Brandy
9 years ago

I noticed in the comments that you said peppers should only be fed magbe twice a week but red peppers are one of the highest in vitamin c on the list of safe things for them and they only need 2 table spoons a day to give them their daily requirement on vitamin c.

chontelle
chontelle
9 years ago

my guinea pig is bloated! is there anything i can do?? there is no change in diet and nothing has changed so i really don’t know why this has happened.

HappyCavy
Reply to  chontelle
9 years ago

Oh no! If it truly is bloat, an immediate trip to a vet is required. Bloat can be very deadly, and happen very fast. Find a guinea pig expert near you at http://wheek.it/vets and start reading up bloat at GuineaLynx here. They have some great advice!

Rebecca
Rebecca
9 years ago

I fed my piggy iceberg lettuce.. Is it totally bad for them?

Evan
Evan
9 years ago

This web site is helpful!!!. Thank you Evan age 8 it is helping my 2 pigs

HappyCavy
Reply to  Evan
9 years ago

Hi, Evan! I’m glad we can help! 😀

Amber West
Amber West
9 years ago

Can i give my pig clover out of my yard

HappyCavy
Reply to  Amber West
9 years ago

I can’t find any info on the USDA Nutritional database, and there isn’t anything online that I could find, either. So, it’s probably best to skip it just to be safe 🙂

Puk
Puk
9 years ago

First off, the most important thing is that your guinea pig gets enough food with vitamin C, because it cannot make it on its own. (and for the love of god avoid the Vitamin C drops which make their water thick and icky and dissolves within 10 minutes anyway – there is a reason these drops have been removed most places)

Secondly NO, lettuce, cucumber and so on is not DANGEROUS, but as most owners should know guinea pigs shouldn’t be fed items that are too full off water.

Thirdly, it really frightens and saddens me that numerous people ask if they can feed their guinea pigs the most ridiculous things – USE YOUR HEAD. You are clearly not mature or responsible enough to own a guinea pig when you are asking if you can feed it cheese.

NO it cannot have cheese, pizza, gummy bears or anything else your immature and silly mind would like to feed it.

NO it can’t eat chilli peppers, radish, garlic, onions or anything else that spicy.

NO don’t “try” to feed it something that is even dangerous for humans, such as flowers of various kinds.

It makes me angry, use your damn head.

William Bell
William Bell
9 years ago

I know I’m going to upset a lot of people but my girls LOVE rich tea biscuits, when I open a packet and let the smell of them wonder through my living room, the girls smell it and start to go crazy until the get a bite.

The girls below in the pic 🙂

Darleen Watts
Darleen Watts
Reply to  jackelyn wolff
8 years ago

I use those over the counter wire grid basket from out of the kitchen section in walmart. I use the large thick clamps that are on some key chains that hook onto your belt looks to put the baskets on the cages.

Darleen Watts
Darleen Watts
Reply to  Amber West
8 years ago

Clover can be given as an occasional treat only if pesticides haven’t been used, if you can be sure no animal has urinated/defecated on them and if they don’t have car exhaust fumes on them. Personally, I wouldn’t risk it, there is also the problem of parasites. If you want to, you can get seeds and plant your own in pots indoors though. Make sure to use safe organic soil too.

Darleen Watts
Darleen Watts
Reply to  Katy
8 years ago

Yes, those are okay in small amount and occasionally as rare treats.

Darleen Watts
Darleen Watts
Reply to  Piper
8 years ago

Personally, I don’t take a chance. If anyone donates that kind of food to our rescue, I will either return it to the store or toss it. We only approve of two foods for guinea pigs at our rescue. With Oxbow Cavvy Pellets being the top choice and second choice is Kaytee Timothy Complete.

Marlana Phillips Campbell
Marlana Phillips Campbell
8 years ago

Cam my guinea pigs eat those store bought treats? the associatell at the pet store said they give the piggies vitakraft drops with milk and honey so I bought some but wanted to double check if they are safe….


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HappyCavy has been online since June 2009 with Hammy and Piglet. In October of 2009, a sweet, fuzzy cavy named Bitsy joined the family.

Feebee and Buttercup were welcomed to the HappyCavy Forever Home as friends and co-conspirators in January 2011. Dot joined us on July 2012. Winnie and Rosie joined on February 8, 2015 and June 6, 2015, respectively. Sisters JuneBug and Baby Roo joined August 16, 2019, and Dollie came to us on February 15, 2023. Annie was the last pig to arrive on December 17, 2023. Find out more about the HappyCavy guinea pigs.

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