Burning mouth syndrome has been increasing in incidence over the years, especially among middle-aged women, characterized by not having the known etiology and specific treatment. In the present report, we present a case of burning mouth syndrome, with emphasis on the importance of diagnosis, treatment, and follow-up. A 64-year-old woman with hypertension complained of burning sensation in apex and ventral surface of the tongue for 1 year. In the clinical examination, it was observed that the affected site presented reddish coloration and other lesion was not detected. After this information and the exclusion of the differential diagnoses, we confirmed the diagnosis of burning mouth syndrome and prescribed vitamin complex, artificial saliva, and toothpaste for sensitivity, but the symptoms persisted. Then, laser therapy was instituted with total remission of symptoms.