Why this verdict for dogs
String, thread, floss and ribbon are “linear foreign bodies” — instead of passing, they can bunch up and saw through the intestines, a surgical emergency. Never pull on a string you can see.
Warning signs to watch for
- Vomiting
- Not eating
- Straining
- Painful belly
⚠ If your dog 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 dogs eat string, yarn & thread?
No. String, thread, floss and ribbon are “linear foreign bodies” — instead of passing, they can bunch up and saw through the intestines, a surgical emergency. Never pull on a string you can see.
How much string, yarn & thread can dogs have?
None — string, yarn & thread is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is string, yarn & thread safe for cats too?
Verdicts can differ between species. See the cat answer for string, yarn & thread →
More household items for dogs
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