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Is Using Peppermint Essential Oil Safe for Dogs? (Expert's Opinion)

Disclaimer - The information provided in this blog, including any linked materials herein, is for informational purposes only and should not be considered a substitute for professional advice. For accurate and personalized recommendations, please consult with your specialists.


Peppermint essential oil, derived from the leaves of the peppermint plant, is known for its invigorating scent and potential health properties. It is often used in aromatherapy, as a natural insect repellent, and for its digestive properties. However, the concentrated nature of essential oils raises concerns about their safety for pets, including dogs. Many pet parent ask the question, "Is peppermint oil safe for dogs"? This article aims to answer this question in a detailed manner.

Is Peppermint Essential Oil Safe For Dogs?

While peppermint essential oil can offer benefits when used appropriately, it poses several risks to dogs if not handled with care. Dogs have a heightened sense of smell, making them more sensitive to strong scents, including essential oils. Ingesting or inhaling concentrated peppermint oil can lead to adverse reactions such as:

1. Digestive Issues 

Peppermint essential oil, when ingested even in small quantities, can wreak havoc on a dog's digestive system. Dogs are not equipped to handle the potency of essential oils, and ingesting peppermint oil can lead to symptoms such as:

  • Vomiting: The ingestion of peppermint oil can cause immediate discomfort, leading to vomiting as the body's natural response to expel the harmful substance.
  • Diarrhea: Dogs may experience frequent and loose bowel movements, causing dehydration and weakness, which can be especially dangerous, especially for smaller breeds.
  • Excessive Drooling: Oral irritation caused by peppermint oil can result in excessive drooling, a sign that the dog's body is attempting to eliminate the toxin.

2. Respiratory Problems 

Dogs have highly sensitive respiratory systems, making them susceptible to irritation from strong scents, such as those emitted by essential oils like peppermint. Inhaling peppermint oil can lead to:

  • Coughing: Dogs exposed to the aroma of undiluted peppermint oil may start coughing as their body reacts to the harsh chemicals in the air.
  • Sneezing: Irritation in the nasal passages can cause dogs to sneeze repeatedly, indicating discomfort and sensitivity to the scent.
  • Difficulty Breathing: In severe cases, inhalation of concentrated peppermint oil can lead to difficulty breathing, posing a significant risk to the dog's overall well-being.

3. Skin Irritation 

Direct contact with undiluted peppermint essential oil can have adverse effects on a dog's skin, leading to various forms of irritation:

  • Redness: The affected area may turn red due to irritation, indicating inflammation and discomfort for the dog.
  • Itching: Dogs may exhibit signs of discomfort by incessantly scratching or biting the affected skin, attempting to alleviate the itching sensation caused by the oil.
  • Swelling: In some cases, the skin may swell due to an allergic reaction, making the dog extremely uncomfortable and distressed.

4. Central Nervous System Depression 

Ingesting significant amounts of peppermint oil can have severe consequences on a dog's central nervous system, leading to symptoms of depression and lethargy:

  • Lethargy: Dogs may become unusually tired and sluggish, displaying a lack of interest in their surroundings and reduced energy levels.
  • Weakness: The muscles may weaken, affecting the dog's ability to move freely and engage in regular activities.
  • Loss of Coordination: Impaired motor skills can result in a loss of coordination, making it challenging for the dog to walk or maintain balance.

These problems are symptoms of essential oil poisoning in your pets. 

What Are The Benefits Of Peppermint Oil For Dogs?

1. Natural Insect Repellent

Peppermint oil acts as a natural insect repellent due to its strong scent, helping to keep pesky insects like fleas, ticks, and mosquitoes at bay. Diluted peppermint oil can be applied to your dog's collar or bedding, creating a natural barrier against these unwelcome critters. Dogs at risk for flea infestations can benefit from the natural repellent properties of certain essential oils, but it's vital to know that some essential oils can be toxic if not used or diffused correctly. 

2. Relieves Itchy Skin

Diluted peppermint oil can be used topically to relieve itching and irritation on your dog's skin. It has a cooling effect that can soothe minor irritations caused by allergies or insect bites. However, it's crucial to ensure proper dilution to prevent skin irritation, and a patch test on a small area of your dog's skin is recommended before widespread application.

3. Enhances Mental Alertness

Peppermint oil's stimulating scent can enhance mental alertness and focus in dogs. Diffusing diluted peppermint oil in the room where your dog spends time can create a stimulating environment, potentially boosting their cognitive functions and overall mood.

4. Aromatherapy for Relaxation

When used in aromatherapy, the calming and soothing properties of diluted peppermint oil can help relax an anxious or stressed dog. The scent of peppermint can create a serene atmosphere, promoting relaxation and calmness, especially during thunderstorms, fireworks, or other stressful situations.

5. Dental Care

Peppermint oil, in minimal amounts and proper dilution, can be incorporated into homemade dog toothpaste recipes. Its natural antibacterial properties can aid in maintaining oral hygiene, promoting healthy gums, and providing a fresh breath for your furry friend.

So, it can be seen that peppermint oil has certain health benefits for dogs if used with proper care and attention.

How To Use Essential Oils Safely For Dogs?

Peppermint is generally not a safe plant or essence for dogs, but there are certain ways in which you can use peppermint oil for your dog. 

1. Consult a Veterinarian

Before introducing any essential oil to your dog, consult your veterinarian. They can provide personalized advice based on your dog's health, age, breed, and any existing medical conditions. Not all essential oils are suitable for all dogs, so professional guidance is essential.

2. Dilute Properly

Essential oils are highly concentrated and should always be diluted before use. Use a carrier oil like coconut oil, olive oil, or jojoba oil to dilute the essential oil. A general guideline is to use one to two drops of essential oil per ounce of carrier oil. Diluting the oil reduces the risk of skin irritation and other adverse reactions.

3. Perform Patch Tests

Before applying any diluted essential oil to your dog's skin, perform a patch test. Apply a small amount of the diluted oil on a small area of your dog's skin and monitor for any adverse reactions, such as redness, swelling, or itching. If there's any sign of irritation, discontinue use immediately.

4. Use a Diffuser

Diffusing is one of the most common ways to use peppermint oil. One of the safest ways to introduce essential oils to your dog is by using a diffuser. Diffusing essential oils in a well-ventilated area allows your dog to benefit from the aromatic properties without direct contact with the oil. Ensure the room is well-ventilated, and the dog has the option to leave the area if they wish.

5. Avoid Certain Oils

Some essential oils are toxic to dogs and should be avoided entirely. These include oils such as tea tree, cinnamon, citrus, pennyroyal, pine, sweet birch, wintergreen, and ylang-ylang. Even when diluted, these oils can pose significant risks to your dog's health.

6. Observe Your Dog

When using essential oils, closely observe your dog's behavior and reactions. If you notice any signs of discomfort, restlessness, excessive drooling, sneezing, coughing, or difficulty breathing, remove your dog from the area where the oil is diffused. Always prioritize your dog's comfort and well-being.

7. Store Oils Safely

Keep essential oils and any products containing them out of your dog's reach. Dogs are naturally curious and may accidentally ingest or spill oils, leading to potential harm. Store essential oils securely in a cool, dark place, and never leave them unattended in areas accessible to your pets.

8. Respect Your Dog's Preferences

Every dog is different, and their tolerance to essential oils can vary. If your dog shows signs of dislike or discomfort when exposed to a particular scent, respect their preferences and avoid using that oil around them. Pay attention to their reactions and make decisions based on their comfort levels. There are chances that your dog might be sensitive to essential oils.

What If Your Dog Comes In Contact With Peppermint Oil?

Accidents happen, and if your dog comes in contact with peppermint oil, it's important to act swiftly and calmly to minimize any potential harm. Here are the steps to take if your dog encounters peppermint oil:

1. Assess the Situation

First, assess the situation. Determine how your dog came into contact with the peppermint oil and the extent of the exposure. Did your dog ingest the oil, or was it just topical contact? The type of exposure will influence your course of action.

2. Prevent Further Exposure

If your dog has topical exposure, immediately prevent further contact with the oil. Wash the affected area with mild soap and lukewarm water to remove the oil residue. Avoid using hot water, as it can intensify the absorption of the oil into the skin.

3. Ingestion

If your dog has ingested peppermint oil, contact your veterinarian or a pet poison helpline immediately. Do not induce vomiting without professional guidance, as certain substances can cause more harm when brought back up.

4. Observe for Symptoms

Keep a close eye on your dog for any unusual symptoms. Symptoms of peppermint oil exposure can include vomiting, diarrhea, excessive drooling, coughing, sneezing, difficulty breathing, skin irritation, lethargy, or weakness. If you notice any of these signs, seek immediate veterinary care.

5. Do Not Use Peppermint Oil to Treat Symptoms

Avoid using peppermint oil or any other essential oil to treat the symptoms caused by exposure. Using more oil can worsen the situation. Stick to traditional, veterinarian-recommended treatments for your dog's symptoms.

6. Consult Your Veterinarian

Even if your dog appears fine after the exposure, it's advisable to consult your veterinarian. They can provide professional guidance based on your dog's specific situation. Sometimes, symptoms may not manifest immediately but can develop later, so it's essential to have your dog checked by a professional.

7. Provide Comfort

During this stressful time, provide comfort and a calm environment for your dog. Keep them hydrated and offer their favorite toys or treats to help alleviate stress. A comfortable and familiar environment can aid in their recovery.

8. Prevent Future Incidents

To prevent future incidents, store essential oils securely in a place where your dog cannot access them. Be cautious when diffusing oils, and ensure the diffuser is placed in an area that your dog cannot reach. Supervise your dog closely, especially in new environments, to prevent accidental exposure.

What To Do If The Dog Has Ingested Peppermint Oil?

1. Contact Your Veterinarian

The first and most crucial step is to contact your veterinarian or the nearest animal poison control hotline. Provide them with detailed information about the type of essential oil ingested, the quantity, if known, and your dog's weight. They can offer specific guidance based on your dog's situation.

2. Do Not Induce Vomiting Without Professional Guidance

Unlike some substances, inducing vomiting after essential oil ingestion can be dangerous and worsen the situation. Do not attempt to make your dog vomit without professional advice, as it may cause aspiration, leading to additional complications.

3. Provide Water and Dilute the Oil

Offer your dog small sips of water to help dilute the oil in their system. Encourage them to drink, but do not force them. Dilution can help minimize the concentration of the oil in their body and reduce the risk of adverse effects.

4. Monitor Your Dog's Symptoms

Keep a close eye on your dog's behavior and watch for any unusual symptoms. Symptoms of peppermint oil ingestion can include vomiting, diarrhea, drooling, coughing, difficulty breathing, or lethargy. Note the time of ingestion and any changes in your dog's condition to relay this information to the veterinarian.

5. Avoid Home Remedies

While it's natural to want to help your pet, avoid administering home remedies without professional advice. Certain substances, like milk or activated charcoal, may not be suitable for all situations and can interfere with the treatment your veterinarian plans to provide.

6. Follow Veterinary Recommendations

Once you've contacted your veterinarian, follow their recommendations diligently. They may advise you to bring your dog in for evaluation or provide specific instructions for at-home care. It's crucial to adhere to their guidance to ensure your dog receives the appropriate treatment.

7. Prevent Future Incidents

To prevent future incidents, store essential oils and other potentially harmful substances securely and out of your dog's reach. Pet-proof your living spaces to minimize the risk of accidental ingestion. Supervise your dog closely, especially in areas where essential oils are used or stored.

8. Stay Calm and Reassure Your Dog

Dogs can sense their owner's emotions, so remaining calm and composed can help reassure your pet during this stressful time. Provide a comfortable and familiar environment for your dog to help them relax as much as possible.

Which Essential Oils Are Safe For Dogs?

1. Lavender Oil

Lavender oil is renowned for its calming and soothing properties. When diluted properly, a few drops of lavender oil can help alleviate stress, anxiety, and mild skin irritations in dogs and is also considered safe for your pup. Lavender oil can be diffused in a well-ventilated area or applied topically after dilution to promote relaxation.

2. Chamomile Oil

Chamomile oil has anti-inflammatory and calming effects, making it useful for relieving anxiety and digestive issues in dogs. However, do not use this essential oil topically without diluting it to make sure it is safe for your pet. Chamomile tea, made from the plant, is also considered safe for dogs and can be used to calm their nerves.

3. Cardamom Oil

Cardamom oil is known for its digestive properties and can help with indigestion and nausea in dogs. When diluted properly, it can be applied topically to the abdomen or diffused in the air to aid digestion and promote a healthy appetite.

4. Frankincense Oil

Frankincense oil has anti-inflammatory and immune-boosting properties. It can be diluted and applied topically to help with joint pain and inflammation in dogs, especially in those suffering from arthritis. Frankincense oil can also be diffused to promote relaxation.

5. Ginger Oil

Ginger oil is beneficial for dogs with motion sickness, nausea, or digestive issues. When diluted, it can be applied topically to the abdomen or diffused in the air. Ginger tea, made from fresh ginger, is also safe for dogs and can be used to soothe upset stomachs.

6. Cedarwood Oil

Cedarwood oil has natural insect-repelling properties, making it useful for repelling fleas and ticks. When diluted, it can be applied to your dog's collar or bedding to create a natural bug barrier. Cedarwood oil can also promote relaxation and improve focus when diffused.

Though essential oils, being highly concentrated, are toxic to pets, it is important to dilute the essential oils before using them around your pets in any manner.

Tips for Safe Usage:

Before using peppermint oil on dogs use the following tips to ensure safety:

  • Always consult your veterinarian before using any essential oils on or around your dog, especially if your pet has underlying health conditions.
  • Avoid using essential oils directly on your pets, as essential oils are toxic for dogs. Dilute essential oils properly with a carrier oil like coconut or olive oil before applying them topically.
  • Observe your dog's reactions closely. If you notice any signs of discomfort or irritation, discontinue use immediately.
  • Use essential oils in well-ventilated areas and ensure your dog has the option to leave the area if they wish.
  • Peppermint oil is toxic, so always keep essential oils out of reach of pets.
  • Always purchase pure essential oils that are free from synthetics.

Follow these tips and avoid the risk of using essential oils for dogs.


Whether or not peppermint oil is safe for dogs is a common concern among pet owners; it's essential to keep your pet safe by never leaving essential oils within their reach. It's recommended to use or diffuse essential oils responsibly, knowing that giving your dog peppermint oil may have some health benefits if properly diluted with a carrier oil.

Understanding the various ways to use essential oils is crucial; diluted with a carrier oil, peppermint, and other essential oils can offer relief, but excessive use or misuse of essential oils can cause harm.

While some pet owners recommend using peppermint oil as a natural remedy, it's essential to be aware that essential oils can be toxic, especially if you have a dog with preexisting liver issues. Special caution needs to be taken for dogs with liver disease. So, if you are using peppermint oil for dogs or using any essential oil around your dog, make sure to follow the necessary precautions.

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