Anyone ever heard of such a thing? The tongue feels as if its been scalded, sore spots or areas in the mouth, throat yet, the mouth looks perfectly normal? Feelings of dryness or sticky-dryness at the corners of the mouth with repeated bacterial infections (pneumonia, plugged ear ducts, bronchitis) of the respiratory system including the sinus and ears?

Postmenopausal female? Bariatric surgery patient? Male in the early forties? Afraid of oral cancer?
Taking Blood pressure medication? Smoke? Drink? These strip your system of vital nutrients.
It is treatable. See your doctor.
B-12 (shots in some cases) , Iron, Zinc and in some cases calcium supplements are used to treat it.