Suspect poisoning? US: ASPCA Poison Control (888) 426-4435 · UK: 01202 509 000 · Severe symptoms → nearest emergency vet now.

My dog just ate a used teabag. Is this dangerous?

Dogs · Food safety

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

Yes, this is potentially serious. Tea contains caffeine, which is toxic to dogs and can cause vomiting, tremors, and a racing heart. Even a used teabag can pose a risk. Call your vet or the ASPCA Animal Poison Control Center at (888) 426-4435 for immediate advice.

Tea leaves & teabags — Food safety facts

Do not feed · Dogs · full breakdown on the linked food page

Caffeine like coffee — a dog that eats loose tea or a teabag can get vomiting, tremors and a racing heart. Emergency for larger amounts.

Open the full food page: Tea leaves & teabags food facts →