What makes it harmful
pulegone (concentrated in pennyroyal mint — Mentha pulegium)
What to do if eaten
If pennyroyal mint was eaten, contact a vet — pulegone is hepatotoxic.
How to serve safely
A few fresh spearmint or peppermint leaves are fine. NEVER pennyroyal mint (Mentha pulegium), which can cause liver failure. Most commercial mint-flavored dog treats use safe food-grade peppermint oil.
Frequently asked questions
- Can dogs eat mint?
- Caution — common garden/spearmint is safe in tiny amounts, but pennyroyal mint is toxic.
- Can dogs have mint?
- Caution — common garden/spearmint is safe in tiny amounts, but pennyroyal mint is toxic. A few fresh spearmint or peppermint leaves are fine. NEVER pennyroyal mint (Mentha pulegium), which can cause liver failure. Most commercial mint-flavored dog treats use safe food-grade peppermint oil.
- Can dogs have peppermint?
- Caution — common garden/spearmint is safe in tiny amounts, but pennyroyal mint is toxic. A few fresh spearmint or peppermint leaves are fine. NEVER pennyroyal mint (Mentha pulegium), which can cause liver failure. Most commercial mint-flavored dog treats use safe food-grade peppermint oil.
- What should I do if my dog ate mint?
- If pennyroyal mint was eaten, contact a vet — pulegone is hepatotoxic.
Sources
- AKC
- Project book library (cross-checked)
These references were used to cross-check this educational guide. They do not replace advice for your dog's specific situation.
⚠️ For general guidance, not veterinary advice. Toxicity depends on your dog’s size, the amount eaten, and individual sensitivity. Always confirm with your vet for health decisions.