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If your dog ate bigleaf hydrangea 'nikko blue' — 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 now. If you cannot reach one, a poison-control line will triage you — ASPCA Animal Poison Control Center on (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK. Both services charge a fee.

Bigleaf Hydrangea 'Nikko Blue' is toxic to dogs (ASPCA).

Pet emergency

My dog ate Bigleaf Hydrangea 'Nikko Blue' — what to do

Step by step

  1. Take bigleaf hydrangea 'nikko blue' 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 a poison-control line — (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK. Both charge a consultation fee. 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 in the US, or Animal PoisonLine on 01202 509 000 in the UK.

My dog ate bigleaf hydrangea 'nikko blue' — FAQ

Is bigleaf hydrangea 'nikko blue' poisonous to dogs?

Yes — the ASPCA lists Bigleaf Hydrangea 'Nikko Blue' (Hydrangea macrophylla 'Nikko Blue') as toxic to dogs. ASPCA lists Hydrangea as toxic to cats, dogs and horses. The leaves, buds and flowers contain cyanogenic glycosides; ingestion of significant amounts can cause vomiting, diarrhoea, lethargy and, rarely, more serious cyanide-related signs.

How serious is it if my dog ate bigleaf hydrangea 'nikko blue'?

Bigleaf Hydrangea 'Nikko Blue' is toxic to dogs and reactions can be significant, so treat any ingestion as urgent. Call your vet, or (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK, 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. ASPCA lists Hydrangea as toxic to cats, dogs and horses. The leaves, buds and flowers contain cyanogenic glycosides; ingestion of significant amounts can cause vomiting, diarrhoea, lethargy and, rarely, more serious cyanide-related signs. 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 a poison-control specialist specifically tells you to. The wrong action can make things worse. Call your vet, or (888) 426-4435 in the US, or Animal PoisonLine on 01202 509 000 in the UK, and follow professional advice.

How do I stop this happening again?

Keep bigleaf hydrangea 'nikko blue' well out of reach, or swap it for an ASPCA non-toxic plant — see the best dogs-safe plants list.

Type any plant to see what the ASPCA says about it and your dog.

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