Why this verdict for cats
Cats are famous for swallowing string, yarn and tinsel, which can bunch and cut the intestines — a true emergency. If you see string at the mouth or rear, do not pull it; see a vet.
Warning signs to watch for
- Vomiting
- Not eating
- Hiding
- Straining
⚠ If your cat ate string, yarn & thread
Act immediately — don't wait for symptoms.
- Call your vet or a pet poison helpline right away.
- Note how much was eaten and when.
- Do not induce vomiting unless a professional tells you to.
Poisoning emergencies are expensive
A single toxicity visit can cost hundreds. Compare pet insurance plans that cover accidents and poisoning.
Frequently asked questions
Can cats eat string, yarn & thread?
No. Cats are famous for swallowing string, yarn and tinsel, which can bunch and cut the intestines — a true emergency. If you see string at the mouth or rear, do not pull it; see a vet.
How much string, yarn & thread can cats have?
None — string, yarn & thread is not safe for cats and should be avoided entirely. When in doubt, ask your vet.
Is string, yarn & thread safe for dogs too?
Verdicts can differ between species. See the dog answer for string, yarn & thread →
More household items for cats
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated June 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List