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If your dog ate butterfly weed — do this now

  1. Take the plant away and clear any pieces from their mouth.
  2. Do not induce vomiting unless told to by a professional.
  3. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 now.

Butterfly Weed is toxic to dogs (ASPCA).

Pet emergency

My dog ate Butterfly Weed — what to do

Step by step

  1. Take butterfly weed away and remove any plant material from your dog's mouth so they cannot eat more.
  2. Note roughly how much was eaten and when — this helps the vet judge the risk.
  3. Do NOT induce vomiting unless a vet or poison-control specialist tells you to.
  4. Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 (a consultation fee may apply) and follow their advice.
  5. Watch for drooling, pawing at the mouth, vomiting, loss of appetite, or lethargy, and bring a leaf or photo to the appointment.

This is general guidance, not veterinary advice. Pets vary, and a reaction may be to soil, fertiliser, or pesticide as well as the plant. When in doubt, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.

My dog ate butterfly weed — FAQ

Is butterfly weed poisonous to dogs?

Yes — the ASPCA lists Butterfly Weed (Asclepias tuberosa) as toxic to dogs. Toxic to cats, dogs and horses. The ASPCA lists milkweed (Asclepias) as toxic; some species contain cardiotoxins (steroidal glycosidic cardenolides) and others neurotoxins. Signs include vomiting, profound depression, weakness, anorexia and diarrhoea, potentially progressing to seizures, breathing difficulty, weak pulse and, in severe cases, death.

How serious is it if my dog ate butterfly weed?

Butterfly Weed is toxic to dogs and reactions can be significant, so treat any ingestion as urgent. Call your vet or poison control on (888) 426-4435 straight away rather than waiting to see if symptoms develop.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. Toxic to cats, dogs and horses. The ASPCA lists milkweed (Asclepias) as toxic; some species contain cardiotoxins (steroidal glycosidic cardenolides) and others neurotoxins. Signs include vomiting, profound depression, weakness, anorexia and diarrhoea, potentially progressing to seizures, breathing difficulty, weak pulse and, in severe cases, death. Any worsening or persistent symptoms warrant an immediate vet visit.

Should I make my dog vomit?

No — do not induce vomiting unless a vet or the ASPCA Animal Poison Control Center specifically tells you to. The wrong action can make things worse. Call (888) 426-4435 and follow professional advice.

How do I stop this happening again?

Keep butterfly weed well out of reach, or swap it for an ASPCA non-toxic plant — see the best dogs-safe plants list.

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