White spots can also be the result of repeated trauma to the nail bed — this means that getting ... growing thicker, or turning yellow or brown. How to treat it: To treat a fungal infection ...

Of the total number of people in the study with confirmed tumor predisposition syndrome, 87.2 percent had tumors in their nail beds ... along with a white band running down the nail, which ...

This condition occurs when your nail lifts from the finger bed and leaves a white mark under the nail. You might experience this with RA, but onycholysis is mostly associated with psoriatic arthritis.