What happens if a dog eats Foxglove?

If a dog eats Foxglove, they may experience: Vomiting, diarrhea, drooling, heart arrhythmia, seizures, heart failure, death.

Not Safe

Not SafeSafety rating and summary vet reviewed by Dr Alex Crow BVetMed MRCVSflower

Not Safe for Dogs

Key warning: all parts — extremely toxic

Is Foxglove Toxic to Dogs? 🚨 Causes Fatal Heart Arrhythmia

This food is NOT safe for dogs. Keep it away from your pet.

Foxglove is extremely toxic to dogs. It contains cardiac glycosides that cause severe heart problems and can be fatal.

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Warning Signs & Symptoms

Vomiting, diarrhea, drooling, heart arrhythmia, seizures, heart failure, death.

If Your Dog Ate This

Emergency vet immediately — foxglove causes rapid cardiac arrhythmia. Time is critical.

What to Avoid

all parts — extremely toxic

Preparation & Serving

Remove foxglove from garden entirely if you have dogs. All parts including dried plant material remain toxic.

Safer Alternatives

Choose dog-safe flowering plants like marigolds or snapdragons

Did you know?

Foxglove (Digitalis) is the original source of digoxin — the cardiac medication used to treat heart failure. In uncontrolled plant doses however the same compounds cause fatal heart arrhythmia rather than therapeutic effect.

Portions & nutrition

Toxic dose (per kg body weight): Any amount of foxglove causes cardiac toxicity — no safe threshold
Calories (per 100g): 0
Safe frequency: Never

Source

Source: ASPCA

What You Need to Know

Foxglove (Digitalis) contains the same compounds used in heart medication but in uncontrolled doses is extremely dangerous. All parts are toxic. Seek emergency care immediately.

Foxglove Variations

Foxglove DogsNot Safe

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

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Frequently asked questions

Is Foxglove safe for dogs?: No, Foxglove is not safe for dogs. Foxglove is extremely toxic to dogs. It contains cardiac glycosides that cause severe heart problems and can be fatal.
What happens if a dog eats Foxglove?: If a dog eats Foxglove, they may experience: Vomiting, diarrhea, drooling, heart arrhythmia, seizures, heart failure, death.
How much Foxglove can a dog eat?: Foxglove (Digitalis) contains the same compounds used in heart medication but in uncontrolled doses is extremely dangerous. All parts are toxic. Seek emergency care immediately.

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Veterinary review: Dr Alex Crow BVetMed MRCVS reviewed this food's safety rating, summary, symptoms, main details and any age or breed notes on 4 April 2026. Everything else on this page, including feeding amounts and portions, toxic-dose figures, toxicity level, emergency steps and preparation advice, was added later and was not part of that review.

Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.