Can Dogs Have Mint?
Can Dogs Have Mint?
When it comes to freshening up your dog's breath or adding a natural touch to homemade treats, mint might seem like a great idea. It smells fresh, tastes bright, and is widely used in everything from tea to toothpaste. But is it safe for dogs? As with many herbs, the answer is yes—with a few important caveats. Not all mint is safe, and even the safe types should be given in moderation.
The Types of Mint Dogs Can Safely Eat
The most common safe variety is peppermint or spearmint—both from the Mentha family. In small amounts, these are generally safe for dogs and may even provide mild digestive benefits. They can help soothe an upset stomach and freshen breath naturally. Some commercial dog treats even include peppermint for this reason.
However, the keyword is small amounts. A sprinkle of fresh mint leaves in your dog’s food, or the occasional dog-safe mint treat, is typically fine. It’s when quantities get large or the wrong type of mint is used that problems arise.
The Types of Mint That Are Toxic to Dogs
English pennyroyal (Mentha pulegium) is a variety of mint that is toxic to dogs. It can cause liver damage and, in some cases, death—especially if consumed regularly or in large quantities. The essential oil form is particularly dangerous. Unfortunately, pennyroyal looks similar to edible mint, so unless you’re 100% sure which variety you have, it’s best to avoid offering it to your dog altogether.
In general, never let your dog chew on mint plants growing in the garden unless you know exactly what they are and that they’re safe.
Is Mint Good for Dogs' Breath?
Yes, but only to an extent. While mint can help mask unpleasant odours, it won’t fix underlying issues like dental disease or gut imbalance. Think of it as a breath freshener, not a cure. If your dog has persistent bad breath, it’s worth checking in with the vet to rule out any underlying issues like plaque build-up or digestive problems.
Can Dogs Have Mint-Flavoured Products?
Most mint-flavoured human products—like chewing gum, mints, toothpaste, or mouthwash—are not safe for dogs. Many of these contain xylitol, a sweetener that’s highly toxic to dogs. Even tiny amounts can lead to a dangerous drop in blood sugar, liver damage, or seizures.
Toothpaste is a big one—never use human toothpaste on your dog, even if it says “natural mint.” Always choose dog-safe dental products that are designed to be swallowed.
What Are the Benefits of Mint for Dogs?
In small, controlled amounts, mint may offer some benefits. It can:
- Act as a mild digestive aid
- Freshen breath naturally
- Provide a small antioxidant boost
Some dogs enjoy the taste, while others are indifferent. If you're making homemade dog biscuits, a little chopped fresh mint can be a healthy, flavourful addition—just avoid essential oils or extracts, which are far too concentrated.
How Much Mint Is Safe?
A leaf or two mixed into food or baked into treats is fine for most dogs. Large quantities, especially over time, can lead to gastrointestinal upset or, in rare cases, toxicity—especially if an unsafe variety is involved. As always, if you’re introducing something new to your dog’s diet, start small and observe their reaction.
Could Dogs Be Allergic to Mint?
While uncommon, it’s possible. Signs of an allergic reaction can include itchiness, swelling, vomiting, or diarrhoea. If your dog shows any of these signs after eating mint, avoid giving it again and speak with your vet.
Summary
Dogs can have mint, but only in moderation and only the right kind. Safe varieties like peppermint and spearmint can freshen breath and support digestion, while toxic types like pennyroyal should be completely avoided. Mint-flavoured human products should be kept well out of reach due to harmful ingredients like xylitol. When in doubt, stick with vet-approved treats or recipes made specifically for dogs. A little mint can be a nice bonus—but it’s not worth the risk unless you’re sure it’s safe.