Can rabbits eat mustard?
Quick verdict
Unsafe
Key risk
Mustard is spicy and an irritant, harmful to rabbits.
Why
Rabbits must never have mustard.
Can rabbits eat mustard, and why?
Rabbits must never have mustard. Mustard is spicy and an irritant, harmful to rabbits.
Rabbits are herbivores: roughly 85% of their diet should be good-quality hay or grass, plus a daily handful of leafy greens, with only small amounts of other veg and tiny occasional fruit. They have a sensitive hindgut that depends on constant fibre — sudden changes, sugar or starch can trigger dangerous gut stasis and bloat.
Warning — what to watch for
Mustard is spicy and an irritant, harmful to rabbits.
If your rabbit has eaten mustard, don’t wait for symptoms — contact your vet immediately, or call the Animal PoisonLine on 01202 509000 (24/7, UK). Signs of a problem can include vomiting, diarrhoea, drooling, lethargy, tremors or loss of appetite.
More foods rabbits might eat
Make treat time better
Handy kit for feeding rabbits well:
Frequently asked questions
Can rabbits eat mustard?
Unsafe. Rabbits must never have mustard.
What happens if my rabbit eats mustard?
Mustard is spicy and an irritant, harmful to rabbits. If your rabbit has eaten mustard, contact your vet or the Animal PoisonLine (01202 509000) straight away — don’t wait for symptoms.
Is mustard poisonous to rabbits?
Unsafe. Rabbits must never have mustard.
Check mustard for another pet