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Xionglong analgesic nasal spray is a Traditional Chinese Medicine (TCM) formulation developed by Beijing Yikangtai Technology for the acute treatment of migraine. The product is specifically indicated for patients exhibiting the "blood stasis blocking collaterals" pattern, a diagnostic category in TCM characterized by impaired microcirculation and localized pain. The formulation is derived from extracts of *Ligusticum chuanxiong* (Chuanxiong) and *Pheretima* (Dilong/earthworm), which are traditionally used to promote blood circulation, resolve stasis, and alleviate pain. Administered intranasally, the spray is designed to provide rapid absorption and bypass first-pass metabolism, offering a faster onset of action for migraine relief compared to oral alternatives.
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