the nail may have thickened skin underneath or be deformed in other ways such as having indentations or a bent shape. Unless the nail is lifted from trauma, there is little pain from a nail that develops onycholysis.
If you were to visitmy clinic outside of Chicagoas a new patient, one of the first steps we would advise would be to go on a gluten-free diet for a number of weeks and carefully observe any health improvements. This is an enormously common problem and many of our patients are surprised...