Synopsis

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

Qin Jiao (Gentiana macrophylla or related Gentiana species) is traditionally used in Chinese medicine, primarily to dispel wind-dampness, clear heat, and alleviate pain, especially in the context of rheumatic conditions. Its application for menstrual irregularity is not one of its primary or most well-known indications, but it does appear in some traditional formulas targeting gynecological complaints. Historical texts occasionally reference its use in the context of regulating menstruation, usually as a secondary ingredient within complex herbal combinations. The rationale is typically based on the traditional Chinese medicine (TCM) theory that wind-dampness or liver qi stagnation can disrupt menstrual cycles, and that Qin Jiao may help by dispelling these pathogenic factors and facilitating the smooth flow of qi and blood.

However, there is little to no modern scientific evidence specifically validating the use of Qin Jiao for menstrual irregularities. Most contemporary research focuses on its anti-inflammatory, analgesic, and hepatoprotective effects. Therefore, its use for menstrual irregularity is justified mainly by tradition, and the evidence supporting this indication is considered weak (rated 2/5), relying mostly on historical precedent rather than clinical trials or pharmacological studies.

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