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Pet safety

Is Marshmallow toxic to dogs?

Althaea officinalis

Mildly toxic to dogs

Mildly. The ASPCA lists marshmallow as mildly toxic to dogs — a chewing dog typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. This classification follows the ASPCA Toxic and Non-Toxic Plant List. Marshmallow is not individually listed by the ASPCA, so a verified pet-safe status cannot be asserted; treat with caution and verify with a vet. It is a traditional mucilaginous herb with no notable toxic principle, but large ingestion of any plant can cause vomiting or gastrointestinal upset, and the mucilage may slow absorption of oral medications.

What to do if your dog ate marshmallow

  1. Remove any plant material from your dog's mouth and move marshmallow out of reach.
  2. Note how much was eaten and when, and watch for drooling, vomiting, or lethargy.
  3. Do not induce vomiting unless a vet or poison-control specialist instructs you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice.
  5. Bring a leaf or photo of marshmallow to the appointment so it can be treated correctly.

General guidance, not veterinary advice. If you think your dog has eaten marshmallow, contact your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 — do not wait for symptoms to worsen.

Is marshmallow toxic to dogs? — FAQ

Is marshmallow toxic to dogs?

Mildly. The ASPCA lists marshmallow as mildly toxic to dogs — a chewing dog typically gets mouth irritation, drooling, and vomiting rather than a medical emergency, but it is still best kept out of reach. Marshmallow is not individually listed by the ASPCA, so a verified pet-safe status cannot be asserted; treat with caution and verify with a vet. It is a traditional mucilaginous herb with no notable toxic principle, but large ingestion of any plant can cause vomiting or gastrointestinal upset, and the mucilage may slow absorption of oral medications.

What are the symptoms if a dog eats marshmallow?

Marshmallow is not individually listed by the ASPCA, so a verified pet-safe status cannot be asserted; treat with caution and verify with a vet. It is a traditional mucilaginous herb with no notable toxic principle, but large ingestion of any plant can cause vomiting or gastrointestinal upset, and the mucilage may slow absorption of oral medications. Signs usually appear soon after chewing rather than hours later — watch for drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy after your dog has had access to marshmallow.

What should I do if my dog ate marshmallow?

Stay calm. Remove any plant from your dog's mouth and take the plant away. Note how much was eaten and when, and do not induce vomiting unless told to. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 and follow their advice; a leaf or photo helps the vet treat it correctly.

Is marshmallow toxic to cats too?

The ASPCA classification Growli uses applies to both cats and dogs: Marshmallow is mildly toxic to cats as well. See the full marshmallow pet-safety guide for both species.

What is a dog-safe alternative to marshmallow?

For a similar look without the risk, see the best dogs-safe plants list — every plant there is ASPCA non-toxic to cats and dogs.

Full marshmallow pet-safety