Mouth ulcers vitamin B2 tablets take 1~2 tablets at a time, 3 times a day. 1.Vitamin B2 Tablet is a vitamin drug, which can be used for the prevention and treatment of vitamin B2 deficiency, such as stomatitis, conjunctivitis, lingual inflammation, etc. It can also be used for oral ulcers caused by vitamin B2 deficiency. 2. The dosage of this product is for oral administration, adults 1~2 tablets at a time, 3 times a day. In the normal state of renal function, this product is almost no toxicity, but after taking, there may be yellow urine, but does not affect the use of the drug, allergic to this product should be prohibited to use this product. In addition, chlorhexidine gargle, cediriodine tablets, recombinant human epidermal growth factor gel and other drugs can be used to treat mouth ulcers as prescribed by the doctor. If there is a need for medication, it is recommended to consult a doctor in a timely manner and follow the doctor’s instructions to avoid blind use of medication, which may cause discomfort.