<s>[INST] I have noticed that I ve been getting these sore reddish spots with a white ring around them on my tounge.the spot on my tounge is reddish with a white ring around it and the other 3 are bigger patches on the back of my tounge but there not red,they do have a white ring around them nd they look as if I been eating to much sour stuff which I have not.the only one that is slightly painful is the reddish one on the tip of my tounge,what could this be and should I be worried? They come and go [/INST] Hello there, You may have a manifestation of a micronutrient deficiency. You should have a multivitamin once a day for the next 1 week preferably one with vitamin b-12(cyanocobalamine) and then assess whether your spots go down. If they don't the pleasing visit a doctor who would do tests to evaluate any underlying deficiency. Also adding probiotics to your diet like yogurt would help. Thank you for your query, Chat Doctor.  </s>