I have had a white circle on the side of my tongue accompanied by a  raised or swollen area just above the white spot that is sore and painful for over a month. I had bronchitis about the same time as this tongue issue.  I have not been able to taste  or smell since that time. I have used every canker sore ointment and mouth rinse I can find. I dont know what this is and if I should be worried.  I do not smoke or use any tabacco  products
Hello, Any sore in mouth that is present over a month and is not healing should be checked. If there is any associated factor like tongue bite, any sharp tooth or anything else then it should be immediately corrected or managed. If not, then a Biopsy of the sore should be done to rule out the exact cause of the sore. So my suggestion is to consult an oral Physician and get evaluated, and a thorough clinical examination should be done. If needed, a Biopsy can be done for confirmation. For now, you can apply Analog oral paste over it and take vitamin B complex supplement. Hope I have answered your query. Let me know if I can assist you further.