Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Sichuan Lovage (Ligusticum chuanxiong, also known as Chuanxiong) is primarily used in Traditional Chinese Medicine (TCM) for promoting blood circulation and dispelling wind to alleviate pain. Its use for canker sores (recurrent aphthous ulcers) is rooted in TCM theory, where such sores are often attributed to "heat" or "wind-heat" in the body. Formulations containing Sichuan Lovage, sometimes combined with other herbs, are traditionally used to "clear heat" and promote healing of oral ulcers.

There is limited scientific evidence directly supporting the efficacy of Sichuan Lovage for canker sores. A small number of contemporary studies and reviews suggest that herbal combinations including Chuanxiong may have anti-inflammatory or analgesic effects, but these are not robust clinical trials specifically targeting canker sores, and the individual contribution of Sichuan Lovage is not isolated. Most available evidence remains anecdotal or is derived from historical use in TCM texts. Thus, the use of Sichuan Lovage for canker sores is justified primarily by tradition, with low-level supporting evidence from modern research. The overall quality and quantity of evidence is modest, meriting a rating of 2 on a 0-5 scale.

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