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Caution

Can dogs eat corn on the cob? Caution

Caution. Corn cobs are dangerous: dogs can't digest them, and swallowed pieces can cause a serious intestinal blockage that may need surgery.

If your dog ate or touched this, call your vet or a pet poison line now

United States

ASPCA Poison Control+1 (888) 426-443524/7, 365 days a year · A consultation fee may apply · Run by the ASPCA for pet owners and vets.
Pet Poison Helpline+1 (855) 764-766124/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean.

Poison lines in other countries: United Kingdom, Canada, Australia, New Zealand, Belgium, France, JM, PR, Singapore, Switzerland, TT, VI

United Kingdom

Animal PoisonLine+44 1202 50900024 hours a day · A fee applies; their website has the current price · Run by the Veterinary Poisons Information Service for pet owners; for collapse, fits or breathing trouble, call your vet.

Canada

Pet Poison Helpline+1 (855) 764-766124/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean.

Australia

Animal Poisons Helpline1300 869 73824/7 · From A$79 per consultation; their website has the current price · Staffed by poisons information consultants with emergency vet or pharmacy backgrounds.

New Zealand

NZ Animal Poisons Helpline0800 869 73824/7 · Charges apply · The NZ National Poisons Centre does not advise on animals and refers pet owners here.

Belgium

Centre Antipoisons / Antigifcentrum070 245 245Animal questions: weekdays 8:00 to 16:00; weekends and public holidays 10:00 to 16:00 · Free call · Human poison center that also takes animal questions; human emergencies get priority, so call your vet first.

France

CNITV (Centre National d'Informations Toxicologiques Vétérinaires)+33 4 78 87 10 408:30 am to midnight, every day · Veterinary poison center that answers vets and pet owners; call your own vet first if you can.

JM

Pet Poison Helpline+1 (952) 853-171624/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean. This is the number it gives for other Caribbean islands; it also lists a toll-free number for the Caribbean, +1 (877) 416-7319.

PR

Pet Poison Helpline+1 (877) 416-731924/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean; this is its toll-free number for callers in the Caribbean and the US Virgin Islands.

Singapore

Animal Poisons Helpline+65 3106 421624/7 · Ask about the fee when you call · Australia-based animal poison service; this is the Singapore number listed on its site.

Switzerland

Tox Info Suisse14524/7 · Swiss poison center that also tells owners how risky an animal exposure is; from abroad call +41 44 251 51 51.

TT

Pet Poison Helpline+1 (952) 853-171624/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean. This is the number it gives for other Caribbean islands; it also lists a toll-free number for the Caribbean, +1 (877) 416-7319.

VI

Pet Poison Helpline+1 (877) 416-731924/7 · A fee applies; their website has the current price · Serves the US, Canada and the Caribbean; this is its toll-free number for callers in the Caribbean and the US Virgin Islands.

Find an emergency vet

Corn on the cob and dogs: key facts

Verdict: Caution · Call your vet or a poison line
What it can do: Repeated vomiting, loss of appetite, lethargy, diarrhea and straining to poop. All 7
How to serve: If you share corn, cut the kernels off the cob first.
What to do now: Call your vet now. All steps
Sources: AKC, Pet Poison Helpline. Reviewed 9 October 2026.

What should I do if my dog ate corn on the cob?

Call your vet now.
Note what was eaten, roughly how much, and when.
Go to the vet the same day if your dog vomits repeatedly, won't eat or has a painful belly.
Put corn cobs in a bin your dog can't open.

Don't

Don't make your dog vomit unless a vet tells you to.
Don't assume a piece will pass on its own.

How to give it safely

If you share corn, cut the kernels off the cob first.

Symptoms to watch for

Repeated vomiting
Loss of appetite
Lethargy
Diarrhea
Straining to poop
Painful belly or praying stance
Dehydration

Why

Cob pieces don't break down in the gut and can lodge as a hard blockage. A true blockage rarely clears up on its own.

Sources

Guide reviewed 9 October 2026. Page updated 7 November 2026.

General information from the sources above, not a diagnosis. When in doubt, call your vet.