Can Rabbits Eat Iceberg Lettuce?

Many people think of rabbits as loving lettuce above all else, but this is a misconception you should be wary of because feeding your rabbit the wrong kinds of greens could make it sick. When in doubt, don’t feed a food you’re unsure about to your bunny; stick to the foods that you know are safe.

Iceberg lettuce is not safe for rabbits. A small quantity will not kill them, but it has very little nutritional value, and it contains lactucarium. In large quantities, lactucarium can affect a rabbit’s nervous system, affecting its ability to stay awake and detect pain. It can also cause digestive problems.

Why Isn’t Iceberg Lettuce Safe?

Iceberg lettuce is not directly toxic to rabbits, and it will not harm your rabbit if it eats small amounts. However, rabbits should not be given Iceberg lettuce, and in large quantities, it could be harmful to them.

Lettuce contains lactucarium, which is a milky liquid. If your rabbit consumes a lot of this, it may struggle to stay awake and show signs of lethargy. Lactucarium can also affect your rabbit’s pain receptors and may upset its digestive system, especially in large quantities.

If your rabbit has eaten some Iceberg lettuce, it may get diarrhea, stomach cramps, and seem uncomfortable. If this happens, you should make an effort to feed your rabbit plenty of hay to help correct the issue.

Hay is packed with fiber, which your rabbit needs in order to digest its food correctly. The hay helps to push food through the rabbit’s digestive tract and may normalize any digestive issues more quickly than other foods will.

However, if your rabbit seems to be having major complications or is in pain, take it to a vet promptly. In some cases, digestive issues can prove fatal, so it’s best to get veterinary assistance as soon as possible if you are concerned.

What Happens If I Give My Rabbit Small Amounts Of Iceberg Lettuce?

You should make a simple rule of not feeding your rabbit Iceberg lettuce, but if your rabbit manages to get some, a small quantity is unlikely to hurt. Even eating several leaves will probably not cause long-term damage, although you should consult a vet if this occurs.

Don’t panic if your bunny has eaten a little bit of Iceberg lettuce. Simply keep an eye on it, watch out for any symptoms of discomfort or distress, and offer it fresh water and hay. Do not feed it other foods that are high in moisture that day, as this may contribute to diarrhea.

Can Iceberg Lettuce Be Good For Rabbits?

Iceberg lettuce is unfortunately not nutritionally valuable for rabbits either, even without the dangers that it can pose.

It is mostly water and does not contain sufficient quantities of the vitamins or minerals that rabbits need. If a rabbit is allowed to “fill up” on Iceberg lettuce, it is likely to become deficient in at least a few key nutrients.

Furthermore, Iceberg lettuce contains minimal fiber, which rabbits must eat in large quantities. If they don’t consume enough fiber, there’s a risk that food will start to linger in their systems because the fiber pushes the food through.

Food left in a rabbit’s system may start to ferment, which is both uncomfortable and dangerous for the rabbit.

This condition is sometimes known as GI stasis, and if you think your rabbit has it, you should take it straight to a vet. GI stasis may lead to your bunny losing interest in food and not pooping or pooping very rarely. Take quick action if you see these symptoms, as it is possible for this condition to be fatal.

Iceberg lettuce is also not particularly good for a rabbit’s teeth. A rabbit’s teeth grow constantly, so it is important for it to eat foods that will grind them down and keep them at a good length. Fibrous foods do this, but Iceberg lettuce won’t.

If the teeth get too long, they can cut into the rabbit’s mouth or lips and may cause it pain, so choose foods that are chewy and tough to help keep the teeth in good shape.

In short, Iceberg lettuce doesn’t contain anything nutritionally valuable to rabbits, so there’s no point in feeding it to them. Humans enjoy the crunchy aspect of this lettuce in salads, but there are many other crunchy foods that you can offer to rabbits. Leave Iceberg lettuce off the menu.

What Kinds Of Lettuce Can Rabbits Eat?

Of course, rabbits can eat other kinds of lettuce, and there are several that are great for them. You shouldn’t stay away from green leaves just because Iceberg is not suitable.

Romaine lettuce and lamb’s lettuce are both great options for rabbits. Darker lettuces tend to contain antioxidants, vitamin A, vitamin K, potassium, magnesium, and other valuable nutrients that make them perfect for rabbits.

They may also be higher in fiber and lower in water than Iceberg, making them better for the bunny’s teeth and guts.

You can also opt for small amounts of Butterhead lettuce, but you should be aware that this contains a lot of acid, so it isn’t good to feed it in large amounts. Rabbits can eat red lettuce too, and arugula is suitable.

It is important to limit your rabbit’s access to any one green leaf, however. No matter how good that leaf may be, if it is fed in huge quantities, it may become unsafe. Give your rabbit a continually rotating diet, swapping foods in and out for the best results.

Make sure the majority of your rabbit’s diet always comes from hay or grass and not from greenery or vegetables.


You should not give your rabbit Iceberg lettuce. It does not contain the nutrients that rabbits need in order to thrive, and it is too watery. It also contains lactucarium, and is lacking in fiber. All in all, it does not make a good food, so keep it in your own salad bowl and select dark leafy greens, such as arugula, to give to your bunny.

Lou Carter

I’ve loved rabbits for as long as I can remember, so it felt natural to share my passion for lagomorphs with a much wider audience. My objective is to help owners to keep their pet rabbits happy and healthy.

Cite this article:

MLA Style: Carter, Lou. "Can Rabbits Eat Iceberg Lettuce?" Rabbit Care Tips, (August 30, 2023),

APA Style: Carter, L. (August 30, 2023). Can Rabbits Eat Iceberg Lettuce?. Rabbit Care Tips. Retrieved August 30, 2023, from

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