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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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HappyCavy
Reply to  Marlana Phillips Campbell
9 years ago

No 🙁 Milk is not safe. I would avoid probably all Vitakraft products.

Marlana Phillips Campbell
Marlana Phillips Campbell
Reply to  HappyCavy
9 years ago

OK thank you!!

Marlana Phillips Campbell
Marlana Phillips Campbell
9 years ago

What treats can I give my guinea pigs to teach them tricks?

Tim Harb
Tim Harb
Reply to  Hammy
9 years ago

I also use the folded c&c grid now. Just if you do fold one make sure it is on the side where there is no seam. I had to learn the hard way after breaking a few.

Allyson
Allyson
9 years ago

I give my gunnia pig ice burg lettuce and tomatoes and she has lived for 5 years

Tamara DiGiovanni
Tamara DiGiovanni
9 years ago

Awesome information! My question is, are a few plain Cheerios okay to give as a treat? I don’t like pet store treats. I feed plenty of fresh organic foods. I eat Cheerios all the time and you know how bad piggies beg and make you feel for having the audacity to eat in front of them without sharing!

Tamara DiGiovanni
Tamara DiGiovanni
9 years ago

Oh gosh, please ignore my picture! I was on a political topic before I came here!

HappyCavy
Reply to  Tamara DiGiovanni
9 years ago

Hi, Tamara! Cheerios, along with any other grain products (cereals, pastas, etc.), are not at all safe for guinea pigs. Don’t feel bad keeping them for yourself!

Samantha Clear
Samantha Clear
9 years ago

I have ecotrition Guinea pig food and it has small seeds is it safe and healthy?

Terry
Terry
9 years ago

To the designer of the Dangerous Foods List…This is the correct spelling of poisonous. Just trying to help 🙂

phoebe wake
phoebe wake
9 years ago

Iceberg lettuce is safe but it just has no nutritional value, which is why it is said to be bad for them, because they are getting nothing out of it 🙂

Lily Hirst
Lily Hirst
9 years ago

I’ve given my guinea pigs some of these things are they are perfect when u look at these things just remember they can eat some of them just not on a regular baseis ie, lettece , sweet peas , seeds. Also k noticed there was no avacardo that’s poison for them!

Donovan Eady
Donovan Eady
9 years ago

Iceberg lettuce isn’t poisonous, for guineas I used to think so, but then one time a pet sitter fed Porkers my eldest guinea pig a stalk, and it wasn’t on the list, but he’s fine, I just fired the sitter and had a little “chat” with him, but Porky’s fine, and Iceberg lettuce doesn’t have any nutritional value for guineas, so it’s kind of like if your really hungry and you eat a bag of Doritos, your hunger may subside, but your not really getting anything out of it. So in general, don’t feed your pigs Iceberg lettuce because your basically just filling them up.

Donovan Eady
Donovan Eady
9 years ago

Peppers should be avoided, as well as any kind of grain, like seeds, rice, toast doesn’t pose as a fatal threat, but can give your piggies diarrhea and could make them sick, but they will recover, so avoid wheat and grains, if your food has grain in it, don’t worry, but I’m talking about rice and seeds, try to avoid iceberg lettuce because it has no nutritional value and you will be filling your piggie up. Hope this helps a few people!

tabby
tabby
9 years ago

i feed my guinea pigs green beans,carrots,brocolli,dandelion leaves and hay.

Haley Mason
Haley Mason
9 years ago

What if your guinea had potato can it kill them? it was a white potato and both of them ate it, but unfourtenly one of mine passed and I don’t know the cause. 🙁

Nicole
Nicole
8 years ago

Are the leaves of the Common Nettle ( Urtica Dioica) safe for guinea pig consumption? ( not all plants of this species have bristles that sting)

Justine
Justine
Reply to  Brandy
8 years ago

I have been seeing a lot of posts about giving guinea pigs iceburg lettuce. DON’T DO IT. Not only is there no nutritional value, it causing bloating, gas, and discomfort. There is no point in giving them iceburg lettuce. Dark greens… Spinach kale and various other types of lettuce that are dark in color. Avoid giving them the stalk as well.

StarlaSkyy
StarlaSkyy
Reply to  Syd
8 years ago

Bitch im not immature because i wanted to know an answer to a question, if i was fucking immature i would have just started feeding them cheese squares. The fuck? Use your damn head. I hope someone punches the hell out of you for being such an ass. I know if i could I would throat punch your stupid ass. But thanks for the information, dipshit.

Danielle Radtke
Danielle Radtke
8 years ago

Hi, I recently got a Guinea pig and he came with Vitacraft complete nutrition and it says that it has ground corn and flaked corn. Is that ok for him to eat?

HappyCavy
Reply to  Danielle Radtke
8 years ago

While I’m not familiar with Vitacraft, we wouldn’t feed anything with any type of corn. We find that KMS Hayloft pellets are very good and not very expensive for what you’re getting:

jordan
jordan
8 years ago

can they have fruit from fruit cups

Kaylee Boo
Kaylee Boo
Reply to  jackelyn wolff
8 years ago

Put it in a toilet paper tube

PnP
PnP
8 years ago

Wow! I had a guinea pig that died “mysteriously” a year ago… and now I know why! I fed it 2 bananas every week! Thank you SO much for creating this blog!! Now my other two piggies can live longer, knowing that they can trust what I feed them. Also… what are some good (and safe) toys to create for my pigs?

HappyCavy
Reply to  PnP
8 years ago

Hi, PnP. Here is an article we wrote about toys for your guinea pig: https://www.happycavy.com/cheap-free-guinea-pigs-toys-cavy-will-love/

debra
debra
8 years ago

can guinea pigs eat juniper berries?

debra
debra
Reply to  jackelyn wolff
8 years ago

I have a small pets bed that I have made up for my guinea pigs and I fill it with sweet timothy hay ..there male guinea like to lay it in and eat away

HappyCavy
Reply to  debra
8 years ago

No, guinea pigs cannot eat juniper.

Faith Walker
Faith Walker
8 years ago

I give my guinea pig reddish and he likes it never had a problem before

Rhonda Stone
Rhonda Stone
8 years ago

Hi, I was wondering if the pigs could have lemon tree leaves and stems. My potted tree is in need of pruning and I thought maybe my Lil pigs could have them as something different.

Melissa Green Curit
Melissa Green Curit
Reply to  sadie
8 years ago

I have a guinea pig that is 7 years old and he LOVES red bell pepper. He eats it, a smallish piece, 2-3 times a week. I have had other piggies who have also eaten it and it hasn’t been a problem. I highly doubt that your guinea pig died from the red pepper, although you might want to consult with a reputable veterinarian who treats guinea pigs for more answers. We had a guinea pig who died of lymphoma, who went downhill in a matter of a few days before he died-your guinea pig may have been hiding an illness that he couldn’t fight anymore.

Kate Kaminski
Kate Kaminski
Reply to  Tim Harb
8 years ago

Alfalfa hay shouldn’t be given to adult pigs, the calcium content is too high.

Leanne Roper
Leanne Roper
Reply to  sadie
7 years ago

bell peppers are good for them (remove seeds though) the ones that are not good are chilli peppers ect

Oliver Ondick
Oliver Ondick
Reply to  Brianna Taryan Whitford
7 years ago

they aren’t giving the bell peppers to the guinea pigs ALL the TIME.

Sarah Radmore
Sarah Radmore
7 years ago

I’m a new piggy owner. Can I feed him green onion? Once in a while.

HappyCavy
Reply to  Sarah Radmore
7 years ago

Hi, Sarah, guinea pig cannot eat onion of any kind — including green onion.

Sarah Radmore
Sarah Radmore
Reply to  HappyCavy
7 years ago

Okay. Thank you for quick response. I appreciate it and so does Chewy.

Denise K.
Denise K.
7 years ago

no , any type of onions is poisonous for them

Julie Shaw
Julie Shaw
7 years ago

Can I give my pigs butternut squash n salad onions ?

Ariana Parker
Ariana Parker
7 years ago

Can guinea pigs eat the flesh of a tomato?

HappyCavy
Reply to  Ariana Parker
7 years ago

Yes, guinea pigs can eat the flesh of a tomato. But tomatoes should be fed sparingly, as they are high in sugar.

Zane Vaughn McArthur
Zane Vaughn McArthur
6 years ago

My one loves iceburg lettuce. But doesnt drink alot of water. So me washing it and feeding her that should be ok?

HappyCavy
Reply to  Zane Vaughn McArthur
6 years ago

Iceberg does have a lot of water content, so it would definitely hydrate her. But it’s concerning that she isn’t drinking water. Is it possible she’s drinking water but you aren’t noticing? You could use the “measure and mark” method to find out how much water she is actually drinking:

“For water, mark a line on your guinea pig’s water bottle in the morning, and check how much is gone in the evening.”

Sometimes when a guinea pig has a UTI, they may not drink water from a bottle because peeing hurts, and reducing their water intake reduces their need to pee. You may want to monitor her closely to ensure she is healthy: http://www.guinealynx.info/uti.html

Anand Audichya
Anand Audichya
6 years ago

I gave my guinea pig a little bit of fried veggie nugget. Will he die?

HappyCavy
Reply to  Anand Audichya
6 years ago

Watch your guinea pig carefully — make sure it’s drinking water and eating normally. Check it’s poops to ensure they are healthy in appearance. Find a cavy-savvy vet in your area and inquire about their emergency care services so you have contact info on hand before something happens. And, in the future, don’t feed your guinea pig anything it shouldn’t be eating.

HUNTER FOX
HUNTER FOX
6 years ago

I feed my guinea pigs some cheap deer feed is that safe for them

HappyCavy
Reply to  HUNTER FOX
6 years ago

No, of course not.


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