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Are Mint Plants Poisonous to Cats and Dogs? 

Mint is a source of essential oil and aromatherapy, which are utilized all over the world. Mint is a plant that is used in both medicine and cooking. Although it is extensively grown both indoors and outdoors, this plant is only beneficial to humans. It has a number of negative consequences for pets. If you possess a pet, you are responsible for its safety. It’s critical to keep your pet away from the mint plant because else, you’ll have to take them to the vet.

Pets & Mint Plants 

The mint plant, with the exception of medicinal mint, contains essential oils that are toxic to cats and dogs. Mint ingestion may cause infection in pets, and in severe situations, it can cause their liver to cease working. Mint plants and pets are the focus of this review. You will learn about the mint plant’s harmful characteristics for cats, dogs, and other animals in this review.

Is Mint Poisonous to Dogs and Cats?

Mint comes in a range of flavors. Mint is cultivated in over 13 distinct varieties across the world, including hybrids. The most common form of mint is garden mint, which is widely utilized for culinary and medicinal applications. Mint plants often have wrinkled leaves that range in color from lavender to white. According to research, several species of mint plants are toxic to pets.

Although some subspecies of mint plants are beneficial to dogs, the mint plant as a whole contains essential oils that can be harmful to pets if consumed in large numbers. Garden mint contains essential oil, which might trigger severe reactions in dogs. If the dogs ingest the substance, they may have modest symptoms such as gastrointestinal distress to more serious ones such as liver failure.

Is Mint Harmful to Cats?

All Mint plants contain an essential oil that, when taken in large amounts, produces serious side effects in cats. The variety of mint known as pennyroyal can induce liver failure, bowel disorders, and intestinal difficulties in cats. Garden mint has less oil essential and may have no to mild effects in cats. In hypersensitive cats, garden mint exhibits modest side effects such as vomiting and skin discomfort.

According to a study, cats do not exhibit any noticeable symptoms after consuming mint, but there are a few varieties of mint that cats should avoid. It can produce major side effects such as nausea, diarrhea, weakness, and vomiting if consumed. Mint poisoning in cats is uncommon, but it does happen.

Mint plants, particularly pennyroyal mint plants, can cause problems for cats. If your cat exhibits any symptoms after consuming mint leaves, you should take him to the veterinarian.

To determine the cause of the condition, the veterinarian will inquire about the cat’s past medical history. The veterinarian will examine the animal thoroughly. A thorough blood test of the cat will be performed by the veterinarian for a more detailed examination. If the cat’s health worsens, the veterinarian may do a biochemical analysis to determine the cat’s a mineral and vitamin levels. Urinalysis is another test that the veterinarian can run to see how well the liver is working.

If your cat ate the deadly mint, the stomach wash will be part of the treatment regimen. The alternative option is to use hydrogen peroxide to induce vomiting. Both methods will aid in the elimination of material from the cat’s stomach before it is digested completely.

All of these procedures necessitate the provision of supportive care. During the sickness, the cat must be handled with care, and thorough hospitalization is essential. If the cat becomes dehydrated as a result of any of the treatments mentioned above, the doctor will administer fluids to help the cat restore its energy.

It is essential to provide proper care for your cats. Mint plants are commonly grown both indoors and outdoors. Mint plants in indoor containers should be kept out of the reach of cats. Another crucial precaution to take before growing mint is to learn about the breed or kind of mint plant. To protect your dogs from toxic circumstances, do not grow mint plants indoors if they are of a hazardous variety.

Are Mint Leaves Harmful to Dogs?

Dogs and cats are both affected by mint plants. Every dog reacts to the mint plant in a unique way. Some dogs are more sensitive to mint plants, while others experience less negative effects. Mint plants generate essential oils that can be poisonous to dogs, as previously stated. Some mint species have more essential oil than others, making them too toxic for dogs to cause liver failure.

If your dog comes into touch with mint, it may exhibit symptoms such as lethargy, vomiting, diarrhea, liver malfunction, and skin irritation. If you suspect your dog has acquired a skin allergy as a result of contact with the toxins, wash his skin with soap. If your dog exhibits serious symptoms, you should take him to the veterinarian for a more thorough assessment and treatment.

You can assist your doctor in making an accurate diagnosis by informing them the sort of mint plant you have or by bringing that mint plant with you. For an accurate diagnosis, the doctor will obtain your entire medical history. Specific tests may be performed by the veterinarian to look for indicators of liver failure. He could get a complete blood count (CBC) to see how well his blood-filtering organs, such as the kidney and liver, are working.

If your dog exhibits significant diarrhea and vomiting symptoms, the veterinarian may do a Packed full volume test. Following the test findings, the veterinarian will devise a treatment plan. A veterinarian will explore two treatment options. If your dog’s blood count is abnormal, it means his liver isn’t working properly. To treat the injury, the dog will receive fluid treatment right away.

If there are any signs of vomiting, activated charcoal can be administered to control them. The therapy for the dog is determined by the type of mint taken or the route of intake. If you have planted mint indoors, it is your responsibility as a pet owner to keep your dog safe from it. To keep your dog safe from the dangerous effects of mint, always know the type of mint plant and the ratio of essential oil before planting one.

Other Animals and the Mint Plant

Mint leaves, such as spearmint and peppermint, are great for animals like cows and horses because they have antispasmodic properties. It relieves colic in horses and improves the function of the digestive tract. It’s also known as an appetite stimulant since it helps these animals eat more. The type of mint plant, such as Perilla mint, is poisonous to cattle and causes death when eaten. Perilla mint causes respiratory tract illness in cattle, resulting in an animal fatality.

Frequently Asked Questions

Are mint plants safe for cats to eat?

Mint plants are not suitable for cats to consume since they contain an essential oil that might be harmful to their health. Pennyroyal is the most deadly mint plant since it has bad effects on the cat’s liver and can lead to liver failure and even death.

Are Mint plants healthy for dogs to eat?

Mint plants are not suitable for dogs to eat. Dogs can ingest Mint leaves once a day for proper digestion, according to a study, although some dogs have had negative responses to the Mint leaves and experienced signs of vomiting and diarrhea. The essential oil in the deadly mint plant might infect the dog’s skin if it comes into touch with it.

Which species of Mint is poisonous to pets?

There are more than 13 distinct varieties and subtypes of mint. The English pennyroyal (Mentha Pulegium) is the most dangerous of these species for pets’ health. If taken directly or indirectly, it can induce liver failure in dogs. Other species of mint plants are less harmful to pets and may cause little or no symptoms.


Plants of the mint family and pets do not get along. You must not cultivate mint plants indoors or outdoors if you have dogs in your house. Mint plants may be consumed in large numbers by pets, causing them to become ill. The essential oils found in mint plants might be harmful to your pet’s health. It was a thorough examination of mint plants and pets to assist you in learning about the potentially harmful effects of mint plants on dogs.

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