There are many reasons for recurrent mouth ulcers, the most common being recurrent aphthous ulcers. However, one needs to be alert to iron deficiency anemia, leukosis, oral cancer, etc. It is recommended to confirm the diagnosis of the disease through routine blood tests, immune function tests, and pathologic histologic tests.
1. Routine blood test: the reticulocyte count and serum iron test can clarify whether there is iron deficiency anemia.
2. Immune function test: positive anti-aortic endothelial cell antibody is important for the diagnosis of leukemia.
3. Pathologic tissue biopsy: through the examination of oral tissues, it is possible to clarify whether the oral tissues are cancerous or not.
Therefore, recurrent mouth ulcers need to go to the hospital and under the doctor’s advice, relevant examinations should be conducted to assist in the diagnosis of the disease and provide treatment options.