A mouthwash combination that includes sage oil, peppermint oil, menthol, chamomile tincture, expressed juice from echinacea , myrrh tincture, clove oil, and caraway oil has been used successfully to treat gingivitis.² In cases of acute gum inflammation, 0.5 ml of the herbal mixture in half a glass of water three times daily is recommended by some herbalists. This herbal preparation should be swished slowly in the mouth before spitting out. To prevent recurrences, slightly less of the mixture can be used less frequently.

A toothpaste containing sage oil, peppermint oil, chamomile tincture, expressed juice from Echinacea purpurea, myrrh tincture, and rhatany tincture has been used to accompany this mouthwash in managing gingivitis.³

Of the many herbs listed above, chamomile, echinacea, and myrrh should be priorities. These three herbs can provide anti-inflammatory and antimicrobial actions critical to successfully treating gingivitis.

Several other herbs have been used as part of an approach for women with mild cervical dysplasia, including myrrh , echinacea , usnea , goldenseal , marshmallow , and yarrow .⁵ These herbs are used for their antiviral actions as well as to stimulate tissue healing; they are generally administered in a suppository preparation. No clinical trials have proven their effectiveness in treating cervical dysplasia. A doctor should be consulted to discuss the use and availability of these herbs.

Myrrh , another traditional remedy with wound-healing properties, has a long history of use for mouth and gum irritations. Some herbalists suggest mixing 200 to 300 mg of herbal extract or 4 ml of myrrh tincture with warm water and swishing it in the mouth before swallowing; this can be done two to three times per day.

In traditional herbal medicine, tinctures of various herbs, including chaparral , St. John’s wort , goldenseal , myrrh , and echinacea , have been applied topically to herpes outbreaks in order to promote healing.

Elderberry has shown antiviral activity and thus may be useful for some people with common colds. Elder flowers are a traditional diaphoretic remedy for helping to break fevers and promote sweating during a cold. Horseradish has antibiotic properties, which may account for its usefulness in easing throat and upper respiratory tract infections. The resin of the herb myrrh has been shown to kill various microbes and to stimulate macrophages (a type of white blood cell). Usnea has a traditional reputation as an antiseptic and is sometimes used for people with common colds.

The potent effects of some commercial mouthwashes may be due to the inclusion of thymol (from thyme ) and eukalyptol (from eucalyptus )—volatile oils that have proven activity against bacteria. One report showed bacterial counts plummet in as little as 30 seconds following a mouthrinse with the commercial mouthwash Listerine™, which contains thymol and eukalyptol.⁶ Thymol alone has been shown in research to inhibit the growth of bacteria found in the mouth.^{7 , 8} Because of their antibacterial properties, other volatile oils made from tea tree ,⁹ clove, caraway , peppermint , and sage ,¹⁰ as well as the herbs myrrh ¹¹ and bloodroot ,¹² might be considered in a mouthwash or toothpaste. Due to potential allergic reactions and potential side effects if some of these oils are swallowed, it is best to consult with a qualified healthcare professional before pursuing self-treatment with volatile oils that are not in approved over-the-counter products for halitosis.

Herbs that directly attack microbes include the following: chaparral , eucalyptus , garlic , green tea , lemon balm (antiviral), lomatium , myrrh , olive leaf , onion , oregano , pau d’arco (antifungal), rosemary , sage , sandalwood , St. John’s wort , tea tree oil , thyme , and usnea .

Aloe vera juice has anti-inflammatory activity and been used by some doctors for people with UC. In a double-blind study of people with mildly to moderately active ulcerative colitis, supplementation with aloe resulted in a complete remission or an improvement in symptoms in 47% of cases, compared with 14% of those given a placebo (a statistically significant difference).¹³ No significant side effects were seen. The amount of aloe used was 100 ml (approximately 3.5 ounces) twice a day for four weeks. Other traditional anti-inflammatory and soothing herbs, including calendula , flaxseed , licorice , marshmallow , myrrh , and yarrow . Many of these herbs are most effective, according to clinical experience, if taken internally as well as in enema form.¹⁴ Enemas should be avoided during acute flare-ups but are useful for mild and chronic inflammation. It is best to consult with a doctor experienced with botanical medicine to learn more about herbal enemas before using them. More research needs to be done to determine the effectiveness of these herbs.