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Oral ulcer powder is a traditional Chinese medicine formulation primarily used for the topical treatment of oral ulcers, including recurrent aphthous ulcers and herpetic oral ulcers. It is produced by Beijing Tongrentang and contains active ingredients such as Qingdai (Indigo naturalis), Bai Fan (Alum), and Bing Pian (Borneol). The powder is applied directly to the affected area to alleviate pain, reduce swelling, clear heat, and promote healing.
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