Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Sichuan Pagoda Tree (Styphnolobium japonicum, previously Sophora japonica) has a long history of use in traditional Chinese medicine (TCM). In TCM, its flowers and buds, known as Huai Hua, are commonly used to "cool the blood," stop bleeding, and treat conditions associated with heat and inflammation. While headache is not a primary indication for Sichuan Pagoda Tree, it has been included in some traditional herbal formulas aimed at treating headaches, particularly when associated with symptoms such as high blood pressure or hemorrhagic conditions. The rationale is rooted in its purported ability to clear heat and reduce blood pressure, both of which can be implicated in certain types of headaches according to TCM theory.

However, direct scientific evidence supporting its effectiveness for headache relief is lacking. Most modern research on Sichuan Pagoda Tree focuses on its flavonoid content (such as rutin), potential antioxidant properties, and vascular effects, but clinical studies specifically evaluating its use for general headache are absent. Therefore, its use for headache is best described as traditionally supported with minimal scientific validation, reflecting a low evidence rating.

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