Can rabbits eat lettuce?

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Short Answer

Sometimes

Safety Summary

✔ Safe: Dark leafy varieties yes; iceberg — avoid
⚠ Use caution: Iceberg lettuce contains lactucarium
✖ Toxic: Iceberg in large amounts

Why

Not all lettuce is equal for rabbits. Dark leafy lettuces — romaine, green leaf, red leaf, butterhead — are nutritious and safe in good amounts. Iceberg lettuce is mostly water with minimal nutrition and contains lactucarium, a compound that can cause digestive problems and loose stools. Stick to the darker varieties which provide more fiber and nutrients.

Portion Guidance

A few large leaves of dark lettuce several times per week. Avoid iceberg entirely.

Risks & Symptoms

Iceberg: diarrhea, loose cecotropes, digestive upset
Too much of any lettuce: overly soft droppings
No toxicity from dark varieties

FAQ

What is the best lettuce for rabbits?

Romaine, green leaf, and red leaf are all excellent choices.

Can rabbits eat lettuce daily?

Dark leafy lettuce can be part of daily greens rotation. Variety is important — don't just feed one type.

Disclaimer

This is general information and not veterinary advice. Consult a vet for guidance specific to your rabbit.