More often than not, white spots on nails are only an indication of injury. At the point when you hit your nail against a bureau coincidentally, the nail-production tissue under your skin gets intruded on, says Chris G Align, MD, FAA, a board-affirmed dermatologist in Chapel Hill, North Carolina. Nails set aside a long effort to develop, so you'll likely have overlooked the knock when you begin seeing spots. "When you see any sort of progress in your nails, the occasion that caused it really happened a very long time previously," says Dr. Align.
In uncommon cases, genuine leukonychia could likewise be an indication of harming from arsenic or other overwhelming metals, which can cause equal white groups called Mess lines.