Can Yunnan Baiyao powder cure mouth ulcers?

Yunnan Baiyao powder standardized name for Yunnan Baiyao, Yunnan Baiyao has no therapeutic effect on mouth ulcers.
Yunnan Baiyao is a proprietary Chinese medicine, mainly has the effect of activating blood circulation and removing blood stasis, stopping bleeding and relieving pain, detoxifying and eliminating swelling, clinically used in the treatment of bruises, soft-tissue contusions, closed fractures and other causes of blood stasis and swelling and pain, as well as surgery, bronchodilatation, tuberculosis, ulcerative disease and other causes of hemorrhage.
Its indications do not include oral ulcers, and external use is prohibited for those with broken skin and mucous membranes and pus, so it is not used for the treatment of oral ulcers. After using the drug may have nausea, vomiting, chest tightness, panic, abdominal pain, generalized itching, urticaria and other adverse reactions, pregnant women and people who are allergic to the drug are prohibited.
When mouth ulcers occur, it is recommended to consult a hospital and receive regular treatment under the guidance of a doctor. The use of drugs should follow the doctor’s instructions.