Can rabbits eat lettuce?

Short Answer

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

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

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.