peppermint (generic name)

an herbal product - treats Urinary tract infection, Abdominal distention, Cough, Asthma, Bad breath, Antispasmodic, Irritable bowel syndrome, V...
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WARNING: DISCLAIMER: The below uses are based on tradition, scientific theories, or limited research. They often have not been thoroughly tested in humans, and safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. There may be other proposed uses that are not listed below.
Anorexia, antacid, antiviral, arthritis, asthma, bile duct disorders, cancer, chicken pox, cholelithiasis (gallstones), common cold, cramps, dysmenorrhea (menstrual pain), enteritis, fever, fibromyositis, gallbladder disorders, gas (flatulence), gastritis, gonorrhea, ileus (post-operative), inflammation of oral mucosa, influenza, intestinal colic, lice, liver disorders, local anesthetic, morning sickness, motility disorders, mouth and throat inflammation, mosquito repellant, mouthwash, musculoskeletal pain, neuralgia (nerve pain), pruritus (itching), respiratory infections, rheumatic pain, sun block, tendonitis, toothache, tuberculosis, urticaria (hives), vomiting.


Adults (18 years and older)

Peppermint oil should be used cautiously, as doses of the constituent menthol over 1 gram per kilogram of body weight may be deadly. For intestinal/digestion disorders, doses of 0.2 to 0.4 milliliters of peppermint oil in enteric-coated capsules, dilute preparations, or suspensions taken three times daily by mouth have been used or studied. Lozenges containing 2 to 10 milligrams of peppermint oil have been used. 10% peppermint oil (in methanol) has been applied to the skin (forehead and temples) multiple times per day for headache relief. Some sources recommend using peppermint oil preparations on the skin no more than 3 to 4 times per day. For inhalation, 3 to 4 drops of oil added to 150 milliliters of hot water and inhaled up to three times per day or 1% to 5% essential oil as a nasal ointment has been used to relieve congestion.

As an infusion, 3 to 6 grams of peppermint leaf has been used daily. Doses of other liquid preparations depend on concentration, for example, 2 to 3 milliliters of tincture (1:5 in 45% ethanol) three times daily or 1 milliliter of spirits (10% oil and 1% leaf extract, mixed with water) has been taken. Various doses of dried herb extract have also been used, ranging from 0.8 gram daily up to 4 grams taken three times daily, although safety is not clear.

Children (younger than 18 years)

There is not enough scientific information available to recommend the safe use of peppermint leaf or oil in children.


DISCLAIMER: Many complementary techniques are practiced by healthcare professionals with formal training, in accordance with the standards of national organizations. However, this is not universally the case, and adverse effects are possible. Due to limited research, in some cases only limited safety information is available.


Allergic/hypersensitivity reactions may occur from using peppermint or menthol by mouth or on the skin, including throat closing (laryngeal spasm), breathing problems (bronchial constriction/asthma symptoms), or skin rash/hives/contact dermatitis. People with known allergy/hypersensitivity to peppermint leaf or oil should avoid peppermint products.

Side Effects and Warnings

Peppermint oil may be safe in small doses, although multiple adverse effects are possible. When used on the skin, peppermint oil has been associated with allergic/hypersensitivity reactions, skin rash/hives/contact dermatitis, mouth ulcers/sores, chemical burn, and eye irritation. Lung injury has occurred following an injection of peppermint oil. Peppermint oil taken by mouth may cause headache, dizziness, heartburn, anal burning, slow heart rate, or muscle tremor. Very large doses of peppermint oil taken by mouth have resulted in muscle weakness, brain damage, and seizure.

Peppermint oil should be used cautiously by people with G6PD deficiency or gallbladder disease. Use in infants or children is not recommended due to potential toxicity.

Menthol, a constituent of peppermint oil that is included in mouthwashes, toothpastes, mentholated cigarettes, and decongestant "rubs" or lozenges, has been associated with multiple adverse effects, such as serious breathing difficulties, asthma, skin bruising (purpura), and mouth sores. Although small amounts may be safe in non-allergic adults, higher doses may be deadly in humans or cause brain damage. Use on the skin may also cause rash, severe skin damage (necrosis), or kidney damage (interstitial nephritis). Inhalation of large doses of menthol may lead to dizziness, confusion, muscle weakness, nausea, or double vision.

Pregnancy and Breastfeeding

Peppermint oil and menthol should be avoided during pregnancy and breastfeeding due to insufficient information and potential for toxicity.

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