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Is Foxglove Toxic to Dogs?

☠️ ToxicSeverity: Severe
✅ Cross-checked against veterinary poison-control guidance · Oct 2026 audit
⚠️ Educational info only. If your pet just chewed something and looks unwell, skip the reading and call your vet or Pet Poison Helpline (US): (855) 764-7661.
Yes, foxglove is severely toxic to dogs. Its cardiac glycosides act like the drug digitalis and can push the heart into fatal rhythms.

Also known as: Digitalis, Fairy Bells, Fairy Gloves, Purple Foxglove · Digitalis purpurea

What makes it toxic

Cardiac glycosides (digitoxin, digoxin and related compounds) throughout the plant, most concentrated in seeds and leaves. They interfere with the heart’s electrical conduction.

Warning signs to watch for

Vomiting, drooling and diarrhea quickly, followed by weakness, bradycardia or irregular pulse, dilated pupils, tremors, collapse and potentially death within hours.

What to do if your dog eats it

Emergency. Get the dog to a vet or animal ER immediately, taking plant material. Tell the vet it is foxglove — heart monitoring and early decontamination are critical.

Common questions

How much foxglove is deadly for a dog?

Small amounts of leaf can seriously affect a small dog, and seeds are even more concentrated. There is no safe serving size of foxglove.

Can foxglove poisoning be treated?

Yes, when caught early — decontamination, continuous ECG, fluids and digoxin immune fragments for severe cases. Every hour matters.

My dog just sniffed the foxgloves — is that exposure?

Sniffing is harmless; the glycosides must be chewed and swallowed. Watch dogs that dig or graze around the flower spikes.

More plants checked for dogs

This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate something concerning, contact your veterinarian or a pet poison hotline right away. Checking what your pet can eat? Visit our sister site SafeOrToxic.