• Canker Sores

    Uses

    Related Terms

    • Aphthous Stomatitis

    Principal Proposed Natural Treatments

    • None

    Other Proposed Natural Treatments

    Canker sores are small ulcers in the mouth caused by an assortment of viruses. A susceptibility to canker sores tends to run in families. No successful conventional treatment is available.

    Proposed Natural Treatments for Canker Sores

    A highly preliminary study suggests that a chemically altered form of the herb licorice known as deglycyrrhizinated licorice (DGL) may be useful for speeding the resolution of canker sores. 1 And, in a second, better designed trial employing a dissolving adhesive patch with glycyrrhiza root extract, researchers noted an improvement in ulcer size and pain compared to the use of a placebo patch. 8
    A product containing vitamins and minerals as well as the herbs paprika, rosemary , peppermint , milfoil, hawthorn , and pumpkin seed has been used in Scandinavia for many years as a treatment for various mouth-related conditions. A small 6-month study reported that use of this product could reduce frequency of canker sores. 2 However, two subsequent studies failed to find any meaningful benefit. 3-4
    One small double-blind study found benefits with an extract of the bark of the red mangrove tree, Rhizophora mangle . 5
    A study performed in Iraq reported benefits through use of a mouthwash containing 5% lactic acid. 7
    Other herbs and supplements sometimes recommended for canker sores but lacking supporting evidence include caraway , oak bark , witch hazel , acidophilus , calendula , slippery elm , and vitamin B 1 .
    One study failed to find that alpha-linolenic acid from perilla oil reduced incidence of canker sores. 6

    References

    1 Das SK, Das V, Gulati AK, et al. Deglycyrrhizinated liquorice in aphthous ulcers. J Assoc Physicians India . 1989;37:647.

    2 Pedersen A, Hougen HP, Klausen B et al. LongoVital in the prevention of recurrent aphthous ulceration. J Oral Pathol Med . 1990;19:371-375.

    3 Brateli J, Hakeberg M, Jontell M et al. The effect of LongoVital on recurrent aphthous stomatitis in a controlled clinical trial. Oral Health Prev Dent . 2005;3:3-8.

    4 Kolseth I, Herlofson B, Pedersen A et al. Norwegian LongoVital and recurrent aphthous ulceration: a randomized, double-blind, placebo-controlled study. Oral Dis. 2005;11:374-378.

    5 de Armas E, Sarracent Y, Marrero E et al. Efficacy of Rhizophora mangle aqueous bark extract (RMABE) in the treatment of aphthous ulcers: a pilot study. Curr Med Res Opin. 2005;21:1711-1715.

    6 Hamazaki K, Itomura M, Hamazaki T et al. Effects of cooking plant oils on recurrent aphthous stomatitis: a randomized, placebo-controlled, double-blind trial. Nutrition. 2006 Feb 9. [Epub ahead of print]

    7 Sharquie KE, Al-Tammimy SM, Al-Mashhadani S, et al. Lactic acid 5 percent mouthwash is an effective mode of therapy in treatment of recurrent aphthous ulcerations. Dermatol Online J. 2006;12:2.

    8 Martin MD, Sherman J, van der Ven P, et al. A controlled trial of a dissolving oral patch concerning glycyrrhiza (licorice) herbal extract for the treatment of aphthous ulcers. Gen Dent. 2008;56:206-210;quiz 211-212, 224.

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