Ive had tongue burning for several months with lesions that come and go. labs were normal last fall but new ones from last week show all normal except low iron saturation at 14%. i was on my period, but it was normal. what tests should be done now?

Your vitamin B12 level should be checked as deficiency of this vitamin can cause burning tongue syndrome.. However you probably are also experiencing recurrent canker sores. which can be caused by stress & certain foods. Keep a daily diary of what you eat and see if you can identify triggers of these lesions Take multivitamins with iron. Rinsing your tongue with maalox can help. sooth mouth soren