Mouth ulcer tablets are used to be taken by mouth, and it is recommended to prohibit those who are allergic to the ingredients of the drug, and pregnant and lactating women should be cautious of using mouth ulcer tablets. The mouth ulcer tablets are a kind of Chinese patent medicine, composed of ice tablet, Qingdai, alum and other ingredients, has the effect of clearing heat, astringent sores, can be used to treat mouth ulcers. It is recommended that patients can take oral ulcer tablets under the guidance of a doctor, as the weight of the tablets is different, the dosage is also different. It is recommended to follow the doctor’s instructions. It is recommended that people who are allergic to the ingredients of mouth ulcer tablets should avoid taking mouth ulcer tablets, and women who are pregnant and breastfeeding need to use mouth ulcer tablets with caution. Since the adverse effects of mouth ulcer tablets are not clear, it is recommended that patients who experience discomfort while taking mouth ulcer tablets need to consult a doctor in time, and if there is no improvement within 3 days of taking mouth ulcer tablets, it is also necessary to consult a doctor in time. In addition, avoid smoking or drinking alcohol while taking mouth ulcer tablets.