Can dogs eat marshmallows?
Quick verdict
Caution
Key risk
Sugar-free marshmallows may contain xylitol, which is highly toxic; even plain ones are a choking risk.
Why
Plain marshmallows are pure sugar and best avoided; sugar-free ones can be deadly.
Can dogs eat marshmallows, and why?
Plain marshmallows are pure sugar and best avoided; sugar-free ones can be deadly. Sugar-free marshmallows may contain xylitol, which is highly toxic; even plain ones are a choking risk.
Dogs are omnivores, so most of their diet should be a complete, balanced dog food, with treats on top. They cope with a wide range of foods, but rich, fatty or sugary ones can cause stomach upset and, over time, weight gain or pancreatitis.
Warning — what to watch for
Sugar-free marshmallows may contain xylitol, which is highly toxic; even plain ones are a choking risk.
If your dog has eaten marshmallows, 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 dogs might eat
Make treat time better
Handy kit for feeding dogs well:
Frequently asked questions
Can dogs eat marshmallows?
Caution. Plain marshmallows are pure sugar and best avoided; sugar-free ones can be deadly.
What happens if my dog eats marshmallows?
Sugar-free marshmallows may contain xylitol, which is highly toxic; even plain ones are a choking risk. If your dog has eaten marshmallows, contact your vet or the Animal PoisonLine (01202 509000) straight away — don’t wait for symptoms.
Is marshmallows poisonous to dogs?
Caution. Plain marshmallows are pure sugar and best avoided; sugar-free ones can be deadly.
Check marshmallows for another pet