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If your cat ate rat tail cactus — 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.

Rat Tail Cactus is mildly toxic to cats (ASPCA).

Pet emergency

My cat ate Rat Tail Cactus — what to do

Step by step

  1. Take rat tail cactus away and remove any plant material from your cat'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 cat ate rat tail cactus — FAQ

Is rat tail cactus poisonous to cats?

Yes — the ASPCA lists Rat Tail Cactus (Disocactus flagelliformis) as mildly toxic to cats. Disocactus flagelliformis is not individually listed in the ASPCA toxic or non-toxic plant database, and no Disocactus species is listed — the non-toxic cacti ASPCA does name (e.g. mistletoe cactus Rhipsalis, old man cactus Cephalocereus, Christmas cactus Schlumbergera) are different genera, so safety cannot be assumed; verify with your vet before allowing pet access. Regardless of ingestion risk, the fine bristly spines are a physical hazard to curious pets, so keep this cactus out of reach.

How serious is it if my cat ate rat tail cactus?

Rat Tail Cactus is mildly toxic, so most cats 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 cat 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. Disocactus flagelliformis is not individually listed in the ASPCA toxic or non-toxic plant database, and no Disocactus species is listed — the non-toxic cacti ASPCA does name (e.g. mistletoe cactus Rhipsalis, old man cactus Cephalocereus, Christmas cactus Schlumbergera) are different genera, so safety cannot be assumed; verify with your vet before allowing pet access. Regardless of ingestion risk, the fine bristly spines are a physical hazard to curious pets, so keep this cactus out of reach. Any worsening or persistent symptoms warrant an immediate vet visit.

Should I make my cat 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 rat tail cactus well out of reach, or swap it for an ASPCA non-toxic plant — see the best cats-safe plants list.

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