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If your dog ate dryopteris filix-mas 'linearis polydactyla' — 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.

Dryopteris filix-mas 'Linearis Polydactyla' is mildly toxic to dogs (ASPCA).

Pet emergency

My dog ate Dryopteris filix-mas 'Linearis Polydactyla' — what to do

Step by step

  1. Take dryopteris filix-mas 'linearis polydactyla' 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 dryopteris filix-mas 'linearis polydactyla' — FAQ

Is dryopteris filix-mas 'linearis polydactyla' poisonous to dogs?

Yes — the ASPCA lists Dryopteris filix-mas 'Linearis Polydactyla' (Dryopteris filix-mas 'Linearis Polydactyla') as mildly toxic to dogs. Most true ferns are non-toxic, but Dryopteris filix-mas (male fern) is an exception: its rhizome contains filicin and related compounds historically used as a dewormer and known to be toxic if ingested in quantity. It is not on the ASPCA non-toxic list; treat as mildly toxic, keep pets and children from eating it, and verify with a vet if ingested.

How serious is it if my dog ate dryopteris filix-mas 'linearis polydactyla'?

Dryopteris filix-mas 'Linearis Polydactyla' is mildly toxic, so most dogs get short-lived mouth irritation, drooling, and vomiting rather than a life-threatening reaction. It is still worth a vet call to be safe, especially if your dog ate a lot or symptoms persist.

What symptoms should I watch for?

Signs usually appear soon after chewing: drooling, pawing at the mouth, vomiting, loss of appetite, or unusual lethargy. Most true ferns are non-toxic, but Dryopteris filix-mas (male fern) is an exception: its rhizome contains filicin and related compounds historically used as a dewormer and known to be toxic if ingested in quantity. It is not on the ASPCA non-toxic list; treat as mildly toxic, keep pets and children from eating it, and verify with a vet if ingested. 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 dryopteris filix-mas 'linearis polydactyla' well out of reach, or swap it for an ASPCA non-toxic plant — see the best dogs-safe plants list.

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