Why this verdict for dogs
Many coins (like U.S. pennies made after 1982) are mostly zinc, and swallowing one can cause zinc poisoning that destroys red blood cells — plus a blockage risk.
Warning signs to watch for
- Vomiting
- Pale or yellow gums
- Weakness
- Reddish urine
⚠ If your dog ate coins
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 coins?
No. Many coins (like U.S. pennies made after 1982) are mostly zinc, and swallowing one can cause zinc poisoning that destroys red blood cells — plus a blockage risk.
How much coins can dogs have?
None — coins is not safe for dogs and should be avoided entirely. When in doubt, ask your vet.
Is coins safe for cats too?
Verdicts can differ between species. See the cat answer for coins →
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