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Tongyang Xuanbi is a Traditional Chinese Medicine (TCM) formula developed by the Yueyang Integrated Traditional Chinese and Western Medicine Hospital, which is affiliated with the Shanghai University of Traditional Chinese Medicine. The formula is specifically designed to treat gastroesophageal reflux disease (GERD) and associated chest pain, often categorized in TCM as "Chest Bi" (obstruction of Qi and Yang in the chest). Its therapeutic approach focuses on "unblocking Yang" (Tongyang) and "relieving Bi-syndrome" (Xuanbi) to alleviate symptoms such as retrosternal pain, acid regurgitation, and heartburn. Clinical research conducted at the Yueyang Hospital suggests that the formula may modulate gastrointestinal motility and improve the integrity of the esophageal mucosal barrier, providing a multi-target intervention for patients with refractory GERD or non-cardiac chest pain.
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